1 /* The <stdlib.h> header defines certain common macros, types, and functions.*/ 2 3 #ifndef _STDLIB_H 4 #define _STDLIB_H 5 6 #ifndef _ANSI_H 7 #include <ansi.h> 8 #endif 9 10 /* The macros are NULL, EXIT_FAILURE, EXIT_SUCCESS, RAND_MAX, and MB_CUR_MAX.*/ 11 #define NULL ((void *)0) 12 13 #define EXIT_FAILURE 1 /* standard error return using exit() */ 14 #define EXIT_SUCCESS 0 /* successful return using exit() */ 15 #define RAND_MAX 32767 /* largest value generated by rand() */ 16 #define MB_CUR_MAX 1 /* max value of multibyte character in MINIX */ 17 18 typedef struct { int quot, rem; } div_t; 19 typedef struct { long quot, rem; } ldiv_t; 20 21 /* The types are size_t, wchar_t, div_t, and ldiv_t. */ 22 #ifndef _SIZE_T 23 #define _SIZE_T 24 typedef unsigned int size_t; /* type returned by sizeof */ 25 #endif 26 27 #ifndef _WCHAR_T 28 #define _WCHAR_T 29 typedef char wchar_t; /* type expanded character set */ 30 #endif 31 32 /* Function Prototypes. */ 33 _PROTOTYPE( void abort, (void) ); 34 _PROTOTYPE( int abs, (int _j) ); 35 _PROTOTYPE( int atexit, (void (*_func)(void)) ); 36 _PROTOTYPE( double atof, (const char *_nptr) ); 37 _PROTOTYPE( int atoi, (const char *_nptr) ); 38 _PROTOTYPE( long atol, (const char *_nptr) ); 39 _PROTOTYPE( void *calloc, (size_t _nmemb, size_t _size) ); 40 _PROTOTYPE( div_t div, (int _numer, int _denom) ); 41 _PROTOTYPE( void exit, (int _status) ); 42 _PROTOTYPE( void free, (void *_ptr) ); 43 _PROTOTYPE( char *getenv, (const char *_name) ); 44 _PROTOTYPE( long labs, (long _j) ); 45 _PROTOTYPE( ldiv_t ldiv, (long _numer, long _denom) ); 46 _PROTOTYPE( void *malloc, (size_t _size) ); 47 _PROTOTYPE( int mblen, (const char *_s, size_t _n) ); 48 _PROTOTYPE( size_t mbstowcs, (wchar_t *_pwcs, const char *_s, size_t _n)); 49 _PROTOTYPE( int mbtowc, (wchar_t *_pwc, const char *_s, size_t _n) ); 50 _PROTOTYPE( int rand, (void) ); 51 _PROTOTYPE( void *realloc, (void *_ptr, size_t _size) ); 52 _PROTOTYPE( void srand, (unsigned int _seed) ); 53 _PROTOTYPE( double strtod, (const char *_nptr, char **_endptr) ); 54 _PROTOTYPE( long strtol, (const char *_nptr, char **_endptr, int _base) ); 55 _PROTOTYPE( int system, (const char *_string) ); 56 _PROTOTYPE( size_t wcstombs, (char *_s, const wchar_t *_pwcs, size_t _n)); 57 _PROTOTYPE( int wctomb, (char *_s, wchar_t _wchar) ); 58 _PROTOTYPE( void *bsearch, (const void *_key, const void *_base, 59 size_t _nmemb, size_t _size, 60 int (*compar) (const void *, const void *)) ); 61 _PROTOTYPE( void qsort, (void *_base, size_t _nmemb, size_t _size, 62 int (*compar) (const void *, const void *)) ); 63 _PROTOTYPE( unsigned long int strtoul, 64 (const char *_nptr, char **_endptr, int _base) ); 65 66 #ifdef _POSIX_SOURCE 67 /* Open Group Base Specifications Issue 6 */ 68 _PROTOTYPE( int mkstemp, (char *_fmt) ); 69 _PROTOTYPE( char *initstate, (unsigned _seed, char *_state, 70 size_t _size) ); 71 _PROTOTYPE( long random, (void) ); 72 _PROTOTYPE( char *realpath, (const char *file_name, 73 char *resolved_name) ); 74 _PROTOTYPE( char *setstate, (const char *state) ); 75 _PROTOTYPE( void srandom, (unsigned seed) ); 76 _PROTOTYPE( int putenv, (char *string) ); 77 _PROTOTYPE( int setenv, (const char *envname, const char *envval, 78 int overwrite) ); 79 _PROTOTYPE( int unsetenv, (const char *name) ); 80 81 #ifdef __LONG_LONG_SUPPORTED 82 _PROTOTYPE( long long strtoll, (const char *_nptr, char **_endptr, 83 int _base) ); 84 _PROTOTYPE( unsigned long long strtoull, (const char *_nptr, 85 char **_endptr, int _base) ); 86 #endif 87 88 #endif 89 90 #ifdef _MINIX 91 _PROTOTYPE( int getloadavg, (double *, int) ); 92 93 /* According to POSIX, getopt should be in unistd.h. What do we do with 94 * this? 95 */ 96 _PROTOTYPE(int getopt, (int _argc, char * const _argv[], const char *_opts)); 97 extern char *optarg; 98 extern int optind, opterr, optopt; 99 #endif /* _MINIX */ 100 101 #endif /* STDLIB_H */ 102