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<title>Basic Types: GLib Reference Manual</title>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description
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Basic Types
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Basic Types — standard GLib types, defined for ease-of-use
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and portability
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Functions
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GLIB_AVAILABLE_IN_ALL
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gint ()
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GLIB_AVAILABLE_IN_ALL
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guint ()
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#define
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G_GINT64_CONSTANT()
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#define
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G_GUINT64_CONSTANT()
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#define
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G_GOFFSET_CONSTANT()
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Types and Values
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typedef
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gboolean
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typedef
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gpointer
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typedef
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gconstpointer
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typedef
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gchar
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typedef
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guchar
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#define
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G_MININT
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#define
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G_MAXINT
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#define
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G_MAXUINT
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typedef
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gshort
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#define
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G_MINSHORT
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#define
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G_MAXSHORT
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typedef
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gushort
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#define
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G_MAXUSHORT
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typedef
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glong
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#define
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G_MINLONG
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#define
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G_MAXLONG
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typedef
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gulong
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#define
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G_MAXULONG
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typedef
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gint8
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#define
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G_MININT8
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#define
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G_MAXINT8
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typedef
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guint8
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#define
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G_MAXUINT8
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typedef
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gint16
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#define
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G_MININT16
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#define
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G_MAXINT16
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#define
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G_GINT16_MODIFIER
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#define
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G_GINT16_FORMAT
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typedef
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guint16
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#define
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G_MAXUINT16
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#define
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G_GUINT16_FORMAT
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typedef
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gint32
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#define
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G_MININT32
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#define
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G_MAXINT32
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#define
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G_GINT32_MODIFIER
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#define
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G_GINT32_FORMAT
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typedef
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guint32
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#define
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G_MAXUINT32
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#define
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G_GUINT32_FORMAT
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typedef
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gint64
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#define
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G_MININT64
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#define
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G_MAXINT64
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#define
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G_GINT64_MODIFIER
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#define
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G_GINT64_FORMAT
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typedef
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guint64
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#define
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G_MAXUINT64
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#define
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G_GUINT64_FORMAT
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typedef
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gfloat
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#define
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G_MINFLOAT
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#define
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G_MAXFLOAT
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typedef
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gdouble
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#define
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G_MINDOUBLE
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#define
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G_MAXDOUBLE
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typedef
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gsize
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#define
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G_MAXSIZE
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#define
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G_GSIZE_MODIFIER
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#define
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G_GSIZE_FORMAT
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typedef
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gssize
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#define
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G_MINSSIZE
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#define
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G_MAXSSIZE
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#define
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G_GSSIZE_MODIFIER
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#define
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G_GSSIZE_FORMAT
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typedef
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goffset
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#define
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G_MINOFFSET
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#define
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G_MAXOFFSET
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#define
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G_GOFFSET_MODIFIER
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#define
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G_GOFFSET_FORMAT
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typedef
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gintptr
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#define
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G_GINTPTR_MODIFIER
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#define
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G_GINTPTR_FORMAT
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typedef
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guintptr
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#define
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G_GUINTPTR_FORMAT
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Includes
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#include <glib.h>
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Description
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GLib defines a number of commonly used types, which can be divided
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into several groups:
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New types which are not part of standard C (but are defined in
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various C standard library header files) — gboolean, gssize.
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Integer types which are guaranteed to be the same size across
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all platforms — gint8, guint8, gint16, guint16, gint32,
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guint32, gint64, guint64.
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Types which are easier to use than their standard C counterparts -
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gpointer, gconstpointer, guchar, guint, gushort, gulong.
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Types which correspond exactly to standard C types, but are
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included for completeness — gchar, gint, gshort, glong,
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gfloat, gdouble.
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Types which correspond exactly to standard C99 types, but are available
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to use even if your compiler does not support C99 — gsize, goffset,
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gintptr, guintptr.
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GLib also defines macros for the limits of some of the standard
|
|
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integer and floating point types, as well as macros for suitable
|
|
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printf() formats for these types.
|
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ae235b |
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Functions
|
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gint ()
|
|
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ae235b |
GLIB_AVAILABLE_IN_ALL
|
|
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ae235b |
gint ();
|
|
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ae235b |
Corresponds to the standard C int type.
|
|
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ae235b |
Values of this type can range from G_MININT to G_MAXINT.
|
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ae235b |
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ae235b |
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ae235b |
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guint ()
|
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ae235b |
GLIB_AVAILABLE_IN_ALL
|
|
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ae235b |
guint ();
|
|
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ae235b |
Corresponds to the standard C unsigned int type.
|
|
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ae235b |
Values of this type can range from 0 to G_MAXUINT.
|
|
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ae235b |
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|
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ae235b |
|
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G_GINT64_CONSTANT()
|
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#define G_GINT64_CONSTANT(val) (val##L)
|
|
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ae235b |
|
|
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ae235b |
This macro is used to insert 64-bit integer literals
|
|
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ae235b |
into the source code.
|
|
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ae235b |
|
|
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ae235b |
Parameters
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val
|
|
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ae235b |
a literal integer value, e.g. 0x1d636b02300a7aa7
|
|
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|
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G_GUINT64_CONSTANT()
|
|
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ae235b |
#define G_GUINT64_CONSTANT(val) (val##UL)
|
|
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ae235b |
|
|
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ae235b |
This macro is used to insert 64-bit unsigned integer
|
|
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ae235b |
literals into the source code.
|
|
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ae235b |
|
|
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ae235b |
Parameters
|
|
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ae235b |
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val
|
|
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a literal integer value, e.g. 0x1d636b02300a7aa7U
|
|
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|
|
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ae235b |
|
|
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ae235b |
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ae235b |
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ae235b |
Since: 2.10
|
|
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ae235b |
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|
|
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ae235b |
G_GOFFSET_CONSTANT()
|
|
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ae235b |
#define G_GOFFSET_CONSTANT(val) G_GINT64_CONSTANT(val)
|
|
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ae235b |
|
|
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ae235b |
This macro is used to insert goffset 64-bit integer literals
|
|
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ae235b |
into the source code.
|
|
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ae235b |
See also G_GINT64_CONSTANT.
|
|
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ae235b |
|
|
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ae235b |
Parameters
|
|
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|
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ae235b |
val
|
|
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ae235b |
a literal integer value, e.g. 0x1d636b02300a7aa7
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
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|
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ae235b |
Since: 2.20
|
|
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ae235b |
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|
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ae235b |
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ae235b |
|
|
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Types and Values
|
|
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ae235b |
|
|
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ae235b |
gboolean
|
|
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ae235b |
typedef gint gboolean;
|
|
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ae235b |
|
|
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ae235b |
A standard boolean type.
|
|
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ae235b |
Variables of this type should only contain the value
|
|
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ae235b |
TRUE or FALSE.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
gpointer
|
|
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ae235b |
typedef void* gpointer;
|
|
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ae235b |
|
|
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ae235b |
An untyped pointer.
|
|
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ae235b |
gpointer looks better and is easier to use than void*.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
gconstpointer
|
|
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ae235b |
typedef const void *gconstpointer;
|
|
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ae235b |
|
|
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ae235b |
An untyped pointer to constant data.
|
|
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ae235b |
The data pointed to should not be changed.
|
|
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ae235b |
This is typically used in function prototypes to indicate
|
|
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ae235b |
that the data pointed to will not be altered by the function.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
gchar
|
|
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ae235b |
typedef char gchar;
|
|
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ae235b |
|
|
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ae235b |
Corresponds to the standard C char type.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
guchar
|
|
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ae235b |
typedef unsigned char guchar;
|
|
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ae235b |
|
|
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ae235b |
Corresponds to the standard C unsigned char type.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
G_MININT
|
|
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ae235b |
#define G_MININT INT_MIN
|
|
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ae235b |
|
|
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ae235b |
The minimum value which can be held in a gint.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
G_MAXINT
|
|
Packit |
ae235b |
#define G_MAXINT INT_MAX
|
|
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ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gint.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
G_MAXUINT
|
|
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ae235b |
#define G_MAXUINT UINT_MAX
|
|
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ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a guint.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
gshort
|
|
Packit |
ae235b |
typedef short gshort;
|
|
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ae235b |
|
|
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ae235b |
Corresponds to the standard C short type.
|
|
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ae235b |
Values of this type can range from G_MINSHORT to G_MAXSHORT.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
G_MINSHORT
|
|
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ae235b |
#define G_MINSHORT SHRT_MIN
|
|
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ae235b |
|
|
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ae235b |
The minimum value which can be held in a gshort.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
G_MAXSHORT
|
|
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ae235b |
#define G_MAXSHORT SHRT_MAX
|
|
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ae235b |
|
|
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ae235b |
The maximum value which can be held in a gshort.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
gushort
|
|
Packit |
ae235b |
typedef unsigned short gushort;
|
|
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ae235b |
|
|
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ae235b |
Corresponds to the standard C unsigned short type.
|
|
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ae235b |
Values of this type can range from 0 to G_MAXUSHORT.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
G_MAXUSHORT
|
|
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ae235b |
#define G_MAXUSHORT USHRT_MAX
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gushort.
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
glong
|
|
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ae235b |
typedef long glong;
|
|
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ae235b |
|
|
Packit |
ae235b |
Corresponds to the standard C long type.
|
|
Packit |
ae235b |
Values of this type can range from G_MINLONG to G_MAXLONG.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MINLONG
|
|
Packit |
ae235b |
#define G_MINLONG LONG_MIN
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum value which can be held in a glong.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXLONG
|
|
Packit |
ae235b |
#define G_MAXLONG LONG_MAX
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a glong.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gulong
|
|
Packit |
ae235b |
typedef unsigned long gulong;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
Corresponds to the standard C unsigned long type.
|
|
Packit |
ae235b |
Values of this type can range from 0 to G_MAXULONG.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXULONG
|
|
Packit |
ae235b |
#define G_MAXULONG ULONG_MAX
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gulong.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gint8
|
|
Packit |
ae235b |
typedef signed char gint8;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
A signed integer guaranteed to be 8 bits on all platforms.
|
|
Packit |
ae235b |
Values of this type can range from G_MININT8 (= -128) to
|
|
Packit |
ae235b |
G_MAXINT8 (= 127).
|
|
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ae235b |
|
|
Packit |
ae235b |
|
|
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ae235b |
|
|
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ae235b |
G_MININT8
|
|
Packit |
ae235b |
#define G_MININT8 ((gint8) -0x80)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum value which can be held in a gint8.
|
|
Packit |
ae235b |
Since: 2.4
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
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ae235b |
G_MAXINT8
|
|
Packit |
ae235b |
#define G_MAXINT8 ((gint8) 0x7f)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gint8.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
guint8
|
|
Packit |
ae235b |
typedef unsigned char guint8;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
An unsigned integer guaranteed to be 8 bits on all platforms.
|
|
Packit |
ae235b |
Values of this type can range from 0 to G_MAXUINT8 (= 255).
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXUINT8
|
|
Packit |
ae235b |
#define G_MAXUINT8 ((guint8) 0xff)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a guint8.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gint16
|
|
Packit |
ae235b |
typedef signed short gint16;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
A signed integer guaranteed to be 16 bits on all platforms.
|
|
Packit |
ae235b |
Values of this type can range from G_MININT16 (= -32,768) to
|
|
Packit |
ae235b |
G_MAXINT16 (= 32,767).
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GINT16_MODIFIER and/or G_GINT16_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MININT16
|
|
Packit |
ae235b |
#define G_MININT16 ((gint16) -0x8000)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum value which can be held in a gint16.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXINT16
|
|
Packit |
ae235b |
#define G_MAXINT16 ((gint16) 0x7fff)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gint16.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GINT16_MODIFIER
|
|
Packit |
ae235b |
#define G_GINT16_MODIFIER "h"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The platform dependent length modifier for conversion specifiers
|
|
Packit |
ae235b |
for scanning and printing values of type gint16 or guint16. It
|
|
Packit |
ae235b |
is a string literal, but doesn't include the percent-sign, such
|
|
Packit |
ae235b |
that you can add precision and length modifiers between percent-sign
|
|
Packit |
ae235b |
and conversion specifier and append a conversion specifier.
|
|
Packit |
ae235b |
The following example prints "0x7b";
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
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ae235b |
|
|
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ae235b |
|
|
Packit |
ae235b |
1
|
|
Packit |
ae235b |
2
|
|
Packit |
ae235b |
gint16 value = 123;
|
|
Packit |
ae235b |
g_print ("%#" G_GINT16_MODIFIER "x", value);
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GINT16_FORMAT
|
|
Packit |
ae235b |
#define G_GINT16_FORMAT "hi"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
This is the platform dependent conversion specifier for scanning and
|
|
Packit |
ae235b |
printing values of type gint16. It is a string literal, but doesn't
|
|
Packit |
ae235b |
include the percent-sign, such that you can add precision and length
|
|
Packit |
ae235b |
modifiers between percent-sign and conversion specifier.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
1
|
|
Packit |
ae235b |
2
|
|
Packit |
ae235b |
3
|
|
Packit |
ae235b |
4
|
|
Packit |
ae235b |
5
|
|
Packit |
ae235b |
gint16 in;
|
|
Packit |
ae235b |
gint32 out;
|
|
Packit |
ae235b |
sscanf ("42", "%" G_GINT16_FORMAT, &in)
|
|
Packit |
ae235b |
out = in * 1000;
|
|
Packit |
ae235b |
g_print ("%" G_GINT32_FORMAT, out);
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
guint16
|
|
Packit |
ae235b |
typedef unsigned short guint16;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
An unsigned integer guaranteed to be 16 bits on all platforms.
|
|
Packit |
ae235b |
Values of this type can range from 0 to G_MAXUINT16 (= 65,535).
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GINT16_MODIFIER and/or G_GUINT16_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXUINT16
|
|
Packit |
ae235b |
#define G_MAXUINT16 ((guint16) 0xffff)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a guint16.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GUINT16_FORMAT
|
|
Packit |
ae235b |
#define G_GUINT16_FORMAT "hu"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
This is the platform dependent conversion specifier for scanning
|
|
Packit |
ae235b |
and printing values of type guint16. See also G_GINT16_FORMAT
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gint32
|
|
Packit |
ae235b |
typedef signed int gint32;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
A signed integer guaranteed to be 32 bits on all platforms.
|
|
Packit |
ae235b |
Values of this type can range from G_MININT32 (= -2,147,483,648)
|
|
Packit |
ae235b |
to G_MAXINT32 (= 2,147,483,647).
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GINT32_MODIFIER and/or G_GINT32_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MININT32
|
|
Packit |
ae235b |
#define G_MININT32 ((gint32) -0x80000000)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum value which can be held in a gint32.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXINT32
|
|
Packit |
ae235b |
#define G_MAXINT32 ((gint32) 0x7fffffff)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gint32.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GINT32_MODIFIER
|
|
Packit |
ae235b |
#define G_GINT32_MODIFIER ""
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The platform dependent length modifier for conversion specifiers
|
|
Packit |
ae235b |
for scanning and printing values of type gint32 or guint32. It
|
|
Packit |
ae235b |
is a string literal. See also G_GINT16_MODIFIER.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GINT32_FORMAT
|
|
Packit |
ae235b |
#define G_GINT32_FORMAT "i"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
This is the platform dependent conversion specifier for scanning
|
|
Packit |
ae235b |
and printing values of type gint32. See also G_GINT16_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
guint32
|
|
Packit |
ae235b |
typedef unsigned int guint32;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
An unsigned integer guaranteed to be 32 bits on all platforms.
|
|
Packit |
ae235b |
Values of this type can range from 0 to G_MAXUINT32 (= 4,294,967,295).
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GINT32_MODIFIER and/or G_GUINT32_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXUINT32
|
|
Packit |
ae235b |
#define G_MAXUINT32 ((guint32) 0xffffffff)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a guint32.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GUINT32_FORMAT
|
|
Packit |
ae235b |
#define G_GUINT32_FORMAT "u"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
This is the platform dependent conversion specifier for scanning
|
|
Packit |
ae235b |
and printing values of type guint32. See also G_GINT16_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gint64
|
|
Packit |
ae235b |
typedef signed long gint64;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
A signed integer guaranteed to be 64 bits on all platforms.
|
|
Packit |
ae235b |
Values of this type can range from G_MININT64
|
|
Packit |
ae235b |
(= -9,223,372,036,854,775,808) to G_MAXINT64
|
|
Packit |
ae235b |
(= 9,223,372,036,854,775,807).
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GINT64_MODIFIER and/or G_GINT64_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MININT64
|
|
Packit |
ae235b |
#define G_MININT64 ((gint64) G_GINT64_CONSTANT(-0x8000000000000000))
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum value which can be held in a gint64.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXINT64
|
|
Packit |
ae235b |
#define G_MAXINT64 G_GINT64_CONSTANT(0x7fffffffffffffff)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gint64.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GINT64_MODIFIER
|
|
Packit |
ae235b |
#define G_GINT64_MODIFIER "l"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The platform dependent length modifier for conversion specifiers
|
|
Packit |
ae235b |
for scanning and printing values of type gint64 or guint64.
|
|
Packit |
ae235b |
It is a string literal.
|
|
Packit |
ae235b |
Some platforms do not support printing 64-bit integers, even
|
|
Packit |
ae235b |
though the types are supported. On such platforms G_GINT64_MODIFIER
|
|
Packit |
ae235b |
is not defined.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GINT64_FORMAT
|
|
Packit |
ae235b |
#define G_GINT64_FORMAT "li"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
This is the platform dependent conversion specifier for scanning
|
|
Packit |
ae235b |
and printing values of type gint64. See also G_GINT16_FORMAT.
|
|
Packit |
ae235b |
Some platforms do not support scanning and printing 64-bit integers,
|
|
Packit |
ae235b |
even though the types are supported. On such platforms G_GINT64_FORMAT
|
|
Packit |
ae235b |
is not defined. Note that scanf() may not support 64-bit integers, even
|
|
Packit |
ae235b |
if G_GINT64_FORMAT is defined. Due to its weak error handling, scanf()
|
|
Packit |
ae235b |
is not recommended for parsing anyway; consider using g_ascii_strtoull()
|
|
Packit |
ae235b |
instead.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
guint64
|
|
Packit |
ae235b |
typedef unsigned long guint64;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
An unsigned integer guaranteed to be 64-bits on all platforms.
|
|
Packit |
ae235b |
Values of this type can range from 0 to G_MAXUINT64
|
|
Packit |
ae235b |
(= 18,446,744,073,709,551,615).
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GINT64_MODIFIER and/or G_GUINT64_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXUINT64
|
|
Packit |
ae235b |
#define G_MAXUINT64 G_GUINT64_CONSTANT(0xffffffffffffffff)
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a guint64.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GUINT64_FORMAT
|
|
Packit |
ae235b |
#define G_GUINT64_FORMAT "lu"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
This is the platform dependent conversion specifier for scanning
|
|
Packit |
ae235b |
and printing values of type guint64. See also G_GINT16_FORMAT.
|
|
Packit |
ae235b |
Some platforms do not support scanning and printing 64-bit integers,
|
|
Packit |
ae235b |
even though the types are supported. On such platforms G_GUINT64_FORMAT
|
|
Packit |
ae235b |
is not defined. Note that scanf() may not support 64-bit integers, even
|
|
Packit |
ae235b |
if G_GINT64_FORMAT is defined. Due to its weak error handling, scanf()
|
|
Packit |
ae235b |
is not recommended for parsing anyway; consider using g_ascii_strtoull()
|
|
Packit |
ae235b |
instead.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gfloat
|
|
Packit |
ae235b |
typedef float gfloat;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
Corresponds to the standard C float type.
|
|
Packit |
ae235b |
Values of this type can range from -G_MAXFLOAT to G_MAXFLOAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MINFLOAT
|
|
Packit |
ae235b |
#define G_MINFLOAT FLT_MIN
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum positive value which can be held in a gfloat.
|
|
Packit |
ae235b |
If you are interested in the smallest value which can be held
|
|
Packit |
ae235b |
in a gfloat, use -G_MAXFLOAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXFLOAT
|
|
Packit |
ae235b |
#define G_MAXFLOAT FLT_MAX
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gfloat.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gdouble
|
|
Packit |
ae235b |
typedef double gdouble;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
Corresponds to the standard C double type.
|
|
Packit |
ae235b |
Values of this type can range from -G_MAXDOUBLE to G_MAXDOUBLE.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MINDOUBLE
|
|
Packit |
ae235b |
#define G_MINDOUBLE DBL_MIN
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum positive value which can be held in a gdouble.
|
|
Packit |
ae235b |
If you are interested in the smallest value which can be held
|
|
Packit |
ae235b |
in a gdouble, use -G_MAXDOUBLE.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXDOUBLE
|
|
Packit |
ae235b |
#define G_MAXDOUBLE DBL_MAX
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gdouble.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gsize
|
|
Packit |
ae235b |
typedef unsigned long gsize;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
An unsigned integer type of the result of the sizeof operator,
|
|
Packit |
ae235b |
corresponding to the size_t type defined in C99.
|
|
Packit |
ae235b |
This type is wide enough to hold the numeric value of a pointer,
|
|
Packit |
ae235b |
so it is usually 32 bit wide on a 32-bit platform and 64 bit wide
|
|
Packit |
ae235b |
on a 64-bit platform. Values of this type can range from 0 to
|
|
Packit |
ae235b |
G_MAXSIZE.
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GSIZE_MODIFIER and/or G_GSIZE_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXSIZE
|
|
Packit |
ae235b |
#define G_MAXSIZE G_MAXULONG
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gsize.
|
|
Packit |
ae235b |
Since: 2.4
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GSIZE_MODIFIER
|
|
Packit |
ae235b |
#define G_GSIZE_MODIFIER "l"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The platform dependent length modifier for conversion specifiers
|
|
Packit |
ae235b |
for scanning and printing values of type gsize. It
|
|
Packit |
ae235b |
is a string literal.
|
|
Packit |
ae235b |
Since: 2.6
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GSIZE_FORMAT
|
|
Packit |
ae235b |
#define G_GSIZE_FORMAT "lu"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
This is the platform dependent conversion specifier for scanning
|
|
Packit |
ae235b |
and printing values of type gsize. See also G_GINT16_FORMAT.
|
|
Packit |
ae235b |
Since: 2.6
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
gssize
|
|
Packit |
ae235b |
typedef signed long gssize;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
A signed variant of gsize, corresponding to the
|
|
Packit |
ae235b |
ssize_t defined on most platforms.
|
|
Packit |
ae235b |
Values of this type can range from G_MINSSIZE
|
|
Packit |
ae235b |
to G_MAXSSIZE.
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GSSIZE_MODIFIER and/or G_GSSIZE_FORMAT.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MINSSIZE
|
|
Packit |
ae235b |
#define G_MINSSIZE G_MINLONG
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum value which can be held in a gssize.
|
|
Packit |
ae235b |
Since: 2.14
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXSSIZE
|
|
Packit |
ae235b |
#define G_MAXSSIZE G_MAXLONG
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a gssize.
|
|
Packit |
ae235b |
Since: 2.14
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GSSIZE_MODIFIER
|
|
Packit |
ae235b |
#define G_GSSIZE_MODIFIER "l"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The platform dependent length modifier for conversion specifiers
|
|
Packit |
ae235b |
for scanning and printing values of type gssize. It
|
|
Packit |
ae235b |
is a string literal.
|
|
Packit |
ae235b |
Since: 2.6
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_GSSIZE_FORMAT
|
|
Packit |
ae235b |
#define G_GSSIZE_FORMAT "li"
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
This is the platform dependent conversion specifier for scanning
|
|
Packit |
ae235b |
and printing values of type gssize. See also G_GINT16_FORMAT.
|
|
Packit |
ae235b |
Since: 2.6
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
goffset
|
|
Packit |
ae235b |
typedef gint64 goffset;
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
A signed integer type that is used for file offsets,
|
|
Packit |
ae235b |
corresponding to the POSIX type off_t as if compiling with
|
|
Packit |
ae235b |
_FILE_OFFSET_BITS set to 64. goffset is always 64 bits wide, even on
|
|
Packit |
ae235b |
32-bit architectures.
|
|
Packit |
ae235b |
Values of this type can range from G_MINOFFSET to
|
|
Packit |
ae235b |
G_MAXOFFSET.
|
|
Packit |
ae235b |
To print or scan values of this type, use
|
|
Packit |
ae235b |
G_GOFFSET_MODIFIER and/or G_GOFFSET_FORMAT.
|
|
Packit |
ae235b |
Since: 2.14
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MINOFFSET
|
|
Packit |
ae235b |
#define G_MINOFFSET G_MININT64
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The minimum value which can be held in a goffset.
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
G_MAXOFFSET
|
|
Packit |
ae235b |
#define G_MAXOFFSET G_MAXINT64
|
|
Packit |
ae235b |
|
|
Packit |
ae235b |
The maximum value which can be held in a goffset.
|
|
Packit |
ae235b |
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G_GOFFSET_MODIFIER
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#define G_GOFFSET_MODIFIER G_GINT64_MODIFIER
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The platform dependent length modifier for conversion specifiers
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for scanning and printing values of type goffset. It is a string
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literal. See also G_GINT64_MODIFIER.
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Since: 2.20
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G_GOFFSET_FORMAT
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#define G_GOFFSET_FORMAT G_GINT64_FORMAT
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This is the platform dependent conversion specifier for scanning
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and printing values of type goffset. See also G_GINT64_FORMAT.
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Since: 2.20
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gintptr
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typedef signed long gintptr;
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Corresponds to the C99 type intptr_t,
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a signed integer type that can hold any pointer.
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To print or scan values of this type, use
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G_GINTPTR_MODIFIER and/or G_GINTPTR_FORMAT.
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Since: 2.18
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G_GINTPTR_MODIFIER
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#define G_GINTPTR_MODIFIER "l"
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The platform dependent length modifier for conversion specifiers
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for scanning and printing values of type gintptr or guintptr.
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It is a string literal.
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Since: 2.22
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G_GINTPTR_FORMAT
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#define G_GINTPTR_FORMAT "li"
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This is the platform dependent conversion specifier for scanning
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and printing values of type gintptr.
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Since: 2.22
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guintptr
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typedef unsigned long guintptr;
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Corresponds to the C99 type uintptr_t,
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an unsigned integer type that can hold any pointer.
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To print or scan values of this type, use
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G_GINTPTR_MODIFIER and/or G_GUINTPTR_FORMAT.
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Since: 2.18
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G_GUINTPTR_FORMAT
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#define G_GUINTPTR_FORMAT "lu"
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This is the platform dependent conversion specifier
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for scanning and printing values of type guintptr.
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Since: 2.22
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Generated by GTK-Doc V1.27
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</body>
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</html>
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