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    <title>luaposix 33.3.0 Reference</title>
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luaposix 33.3.0
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  • Index
    		•
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    Contents
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    • Functions
      		•
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    • Tables
      		•
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    • Constants
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      Modules
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      • posix
        		•
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      • posix.ctype
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      • posix.curses
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      • posix.dirent
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      • posix.errno
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      • posix.fcntl
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      • posix.fnmatch
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      • posix.getopt
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      • posix.glob
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      • posix.grp
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      • posix.libgen
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      • posix.poll
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      • posix.pwd
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      • posix.sched
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      • posix.signal
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      • posix.stdio
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      • posix.stdlib
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      • posix.sys.msg
        		•
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      • posix.sys.resource
        		•
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      • posix.sys.socket
        		•
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      • posix.sys.stat
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      • posix.sys.statvfs
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      • posix.sys.time
        		•
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      • posix.sys.times
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      • posix.sys.utsname
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      • posix.sys.wait
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      • posix.syslog
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      • posix.termio
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      • posix.time
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      • posix.unistd
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      • posix.utime
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        Classes
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        • posix.curses.chstr
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        • posix.curses.window
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          Examples
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          • curses.lua
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          • dir.lua
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          • fork.lua
            		•
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          • fork2.lua
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          • getopt.lua
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          • glob.lua
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          • limit.lua
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          • lock.lua
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          • netlink-uevent.lua
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          • ping.lua
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          • poll.lua
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          • rt_sched.lua
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          • signal.lua
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          • socket.lua
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          • termios.lua
            		•
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          • tree.lua
            		•
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            Module posix.sys.statvfs
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            Retrieve File System Information.
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             Where supported by the underlying system, query the file system.  If the
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             module loads, but there is no kernel support, then posix.sys.statvfs.version
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             will be set, but the unsupported APIs will be nil.
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            Functions
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            	statvfs (path)
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            	Get file system statistics.
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            Tables
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            	PosixStatvfs
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            	Files system information record.
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            Constants
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            	posix.sys.statvfs
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            	Statvfs constants.
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            Functions
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                statvfs (path)
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                Get file system statistics.
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            Parameters:
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            • path
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                          string
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                       any path within the mounted file system
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              Returns:
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                           PosixStatvfs
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                        information about file system containing path
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                See also:
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                           statvfs(3)
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                  Usage:
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                    for a, b in pairs (P.statvfs "/") do print (a, b) end
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                    Tables
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                        PosixStatvfs
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                        Files system information record.
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                    Fields:
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                    • f_bsize
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                                  int
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                               file system block size
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                    • f_frsize
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                                  int
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                               fundamental file system block size
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                    • f_blocks
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                                  int
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                               number of *f_frsize* sized blocks in file system
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                    • f_bfree
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                                  int
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                               number of free blocks
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                    • f_bavail
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                                  int
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                               number of free blocks available to non-privileged process
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                    • f_files
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                                  int
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                               number of file serial numbers
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                    • f_ffree
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                                  int
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                               number of free file serial numbers
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                    • f_favail
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                                  int
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                               number of free file serial numbers available
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                    • f_fsid
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                                  int
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                               file system id
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                    • f_flag
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                                  int
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                               flag bits
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                    • f_namemax
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                                  int
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                               maximum filename length
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                      Constants
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                          posix.sys.statvfs
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                          Statvfs constants.
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                      Any constants not available in the underlying system will be nil valued.
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                      Fields:
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                      • ST_RDONLY
                        		•
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                                    int
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                                 read-only file system
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                      • ST_NOSUID
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                                    int
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                                 does not support S_ISUID nor S_ISGID file mode bits
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                        Usage:
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                            -- Print statvfs constants supported on this host.
                          		

                          

                          
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                            for name, value in pairs (require "posix.sys.statvfs") do
                          		

                          

                          
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                              if type (value) == "number" then
                          		

                          

                          
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                                print (name, value)
                          		

                          

                          
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                               end
                          		

                          

                          
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                            end
                          		

                          

                          
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                          Last updated 2015-03-01 09:06:02 
                          		

                          

                          
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