minix/include/stdlib.h
2010-06-26 00:44:24 +00:00

104 lines
4 KiB
C

/* The <stdlib.h> header defines certain common macros, types, and functions.*/
#ifndef _STDLIB_H
#define _STDLIB_H
#ifndef _ANSI_H
#include <ansi.h>
#endif
/* The macros are NULL, EXIT_FAILURE, EXIT_SUCCESS, RAND_MAX, and MB_CUR_MAX.*/
#define NULL ((void *)0)
#define EXIT_FAILURE 1 /* standard error return using exit() */
#define EXIT_SUCCESS 0 /* successful return using exit() */
#define RAND_MAX 32767 /* largest value generated by rand() */
#define MB_CUR_MAX 1 /* max value of multibyte character in MINIX */
typedef struct { int quot, rem; } div_t;
typedef struct { long quot, rem; } ldiv_t;
/* The types are size_t, wchar_t, div_t, and ldiv_t. */
#ifndef _SIZE_T
#define _SIZE_T
typedef unsigned int size_t; /* type returned by sizeof */
#endif
#ifndef _WCHAR_T
#define _WCHAR_T
typedef char wchar_t; /* type expanded character set */
#endif
/* Function Prototypes. */
_PROTOTYPE( void abort, (void) );
_PROTOTYPE( int abs, (int _j) );
_PROTOTYPE( int atexit, (void (*_func)(void)) );
_PROTOTYPE( double atof, (const char *_nptr) );
_PROTOTYPE( int atoi, (const char *_nptr) );
_PROTOTYPE( long atol, (const char *_nptr) );
_PROTOTYPE( void *calloc, (size_t _nmemb, size_t _size) );
_PROTOTYPE( div_t div, (int _numer, int _denom) );
_PROTOTYPE( void exit, (int _status) );
_PROTOTYPE( void free, (void *_ptr) );
_PROTOTYPE( char *getenv, (const char *_name) );
_PROTOTYPE( long labs, (long _j) );
_PROTOTYPE( ldiv_t ldiv, (long _numer, long _denom) );
_PROTOTYPE( void *malloc, (size_t _size) );
_PROTOTYPE( int mblen, (const char *_s, size_t _n) );
_PROTOTYPE( size_t mbstowcs, (wchar_t *_pwcs, const char *_s, size_t _n));
_PROTOTYPE( int mbtowc, (wchar_t *_pwc, const char *_s, size_t _n) );
_PROTOTYPE( int rand, (void) );
_PROTOTYPE( void *realloc, (void *_ptr, size_t _size) );
_PROTOTYPE( void srand, (unsigned int _seed) );
_PROTOTYPE( double strtod, (const char *_nptr, char **_endptr) );
_PROTOTYPE( long strtol, (const char *_nptr, char **_endptr, int _base) );
_PROTOTYPE( int system, (const char *_string) );
_PROTOTYPE( size_t wcstombs, (char *_s, const wchar_t *_pwcs, size_t _n));
_PROTOTYPE( int wctomb, (char *_s, wchar_t _wchar) );
_PROTOTYPE( void *bsearch, (const void *_key, const void *_base,
size_t _nmemb, size_t _size,
int (*compar) (const void *, const void *)) );
_PROTOTYPE( void qsort, (void *_base, size_t _nmemb, size_t _size,
int (*compar) (const void *, const void *)) );
_PROTOTYPE( unsigned long int strtoul,
(const char *_nptr, char **_endptr, int _base) );
_PROTOTYPE( const char *getprogname, (void) );
_PROTOTYPE( void setprogname, (const char *) );
#ifdef _POSIX_SOURCE
/* Open Group Base Specifications Issue 6 */
_PROTOTYPE( int mkstemp, (char *_fmt) );
_PROTOTYPE( char *initstate, (unsigned _seed, char *_state,
size_t _size) );
_PROTOTYPE( long random, (void) );
_PROTOTYPE( char *realpath, (const char *file_name,
char *resolved_name) );
_PROTOTYPE( char *setstate, (const char *state) );
_PROTOTYPE( void srandom, (unsigned seed) );
_PROTOTYPE( int putenv, (char *string) );
_PROTOTYPE( int setenv, (const char *envname, const char *envval,
int overwrite) );
_PROTOTYPE( int unsetenv, (const char *name) );
_PROTOTYPE( int getsubopt, (char **optionp, char * const *keylistp, char **valuep));
#ifdef __LONG_LONG_SUPPORTED
_PROTOTYPE( long long strtoll, (const char *_nptr, char **_endptr,
int _base) );
_PROTOTYPE( unsigned long long strtoull, (const char *_nptr,
char **_endptr, int _base) );
#endif
#endif
#ifdef _MINIX
_PROTOTYPE( int getloadavg, (double *, int) );
/* According to POSIX, getopt should be in unistd.h. What do we do with
* this?
*/
_PROTOTYPE(int getopt, (int _argc, char * const _argv[], const char *_opts));
extern char *optarg;
extern int optind, opterr, optopt;
#endif /* _MINIX */
#endif /* STDLIB_H */