/*

 * protos.h -- function prototypes for when the headers don't have them.

 */

/*

 * Copyright (C) 1991 - 2002, 2011 the Free Software Foundation, Inc.

 *

 * This file is part of GAWK, the GNU implementation of the

 * AWK Programming Language.

 *

 * GAWK is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or

 * (at your option) any later version.

 *

 * GAWK is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

 */

#ifndef STDC_HEADERS

#define aptr_t void *	/* arbitrary pointer type */

extern aptr_t malloc(size_t);

extern aptr_t realloc(aptr_t, size_t);

extern aptr_t calloc(size_t, size_t);

extern void free(aptr_t);

extern char *getenv(const char *);

#if ! defined(HAVE_STRING_H) && ! defined(HAVE_STRINGS_H)

extern char *strcpy(char *, const char *);

extern char *strcat(char *, const char *);

extern char *strncpy(char *, const char *, size_t);

extern int strcmp(const char *, const char *);

extern int strncmp(const char *, const char *, size_t);

extern char *strchr(const char *, int);

extern char *strrchr(const char *, int);

extern char *strstr(const char *s1, const char *s2);

extern size_t strlen(const char *);

extern long strtol(const char *, char **, int);

extern aptr_t memset(aptr_t, int, size_t);

extern aptr_t memcpy(aptr_t, const aptr_t, size_t);

extern aptr_t memmove(aptr_t, const aptr_t, size_t);

extern aptr_t memchr(const aptr_t, int, size_t);

extern int memcmp(const aptr_t, const aptr_t, size_t);

#endif /* ! defined(HAVE_STRING_H) && ! defined(HAVE_STRINGS_H) */

#ifndef VMS

extern char *strerror(int);

#else

extern char *strerror(int,...);

#endif

#if ! defined(__GNU_LIBRARY__)

extern size_t strftime(char *, size_t, const char *, const struct tm *);

#endif

extern time_t time(time_t *);

extern FILE *fdopen(int, const char *);

extern int fprintf(FILE *, const char *, ...);

#if ! defined(__GNU_LIBRARY__)

extern size_t fwrite(const aptr_t, size_t, size_t, FILE *);

#endif

extern int fputs(const char *, FILE *);

extern int unlink(const char *);

extern int fflush(FILE *);

extern int fclose(FILE *);

extern FILE *popen(const char *, const char *);

extern int pclose(FILE *);

extern void abort();

extern int isatty(int);

extern void exit(int);

extern int system(const char *);

extern int sscanf(const char *, const char *, ...);

#ifndef toupper

extern int toupper(int);

#endif

#ifndef tolower

extern int tolower(int);

#endif

extern double pow(double x, double y);

extern double atof(const char *);

extern double strtod(const char *, char **);

extern int fstat(int, struct stat *);

extern int stat(const char *, struct stat *);

extern off_t lseek(int, off_t, int);

extern int close(int);

extern int creat(const char *, mode_t);

extern int open(const char *, int, ...);

extern int pipe(int *);

extern int dup(int);

extern int dup2(int,int);

extern int fork();

extern int execl(const char *, const char *, ...);

#ifndef HAVE_SYS_WAIT_H

extern int wait(int *);

#endif

extern void _exit(int);

#undef aptr_t

#endif /* STDC_HEADERS */

/* prototypes for missing functions defined in missing_d/ */

#ifndef HAVE_STRNCASECMP

extern int strcasecmp(const char *s1, const char *s2);

extern int strncasecmp(const char *s1, const char *s2, register size_t n);

#endif

#ifndef HAVE_STRTOUL

extern unsigned long int strtoul(const char *, char **endptr, int base);

#endif

#ifndef HAVE_TZSET

extern void tzset();

#endif

#ifndef HAVE_MKTIME

extern time_t mktime(struct tm *tp);

#endif

#ifndef HAVE_SNPRINTF

extern int snprintf(char *restrict buf, size_t len, const char *restrict fmt, ...);

#endif

#ifndef HAVE_USLEEP

extern int usleep(unsigned int);

#endif

#ifndef HAVE_SETENV

extern int setenv(const char *, const char *, int);

extern int unsetenv(const char *);

#endif

#if !defined(HAVE_STRCOLL)

extern int strcoll(const char *, const char *);

#endif