/* * Copyright 2002-2008, Haiku Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #ifndef _STDLIB_H_ #define _STDLIB_H_ #include #include #include #include #include #include #define RAND_MAX 0x7fffffff #define MB_CUR_MAX 1 #define EXIT_SUCCESS 0 #define EXIT_FAILURE 1 /* random data structures (for thread-safe random numbers) */ struct random_data { int *fptr; int *rptr; int *state; int rand_type; int rand_deg; int rand_sep; int *end_ptr; }; struct drand48_data { unsigned short int x[3]; unsigned short int a[3]; unsigned short int c; unsigned short int old_x[3]; int init; }; #ifdef __cplusplus extern "C" { #endif /* memory allocation (see malloc.h for additional defines & prototypes) */ extern void *calloc(size_t numElements, size_t size); extern void free(void *pointer); extern void *malloc(size_t size); extern int posix_memalign(void **_pointer, size_t alignment, size_t size); extern void *realloc(void *oldPointer, size_t newSize); /* process termination */ extern void abort(void); extern int atexit(void (*func)(void)); extern int atfork(void (*func)(void)); extern void exit(int); /* misc functions */ extern char *realpath(const char *path, char *resolved); extern int daemon(int nochdir, int noclose); extern int system(const char *command); extern char *mktemp(char *name); extern int mkstemp(char *templat); extern char *ecvt(double value, int digits, int *_decimalPoint, int *_sign); extern char *fcvt(double value, int precision, int *_decimalPoint, int *_sign); extern char *gcvt(double value, int digits, char *buffer); /* environment variables */ extern char **environ; extern char *getenv(const char *name); extern int putenv(const char *string); extern int setenv(char const *name, char const *value, int rewrite); extern int unsetenv(const char *name); /* ASCII string to number conversion */ extern double atof(const char *string); extern int atoi(const char *string); extern long atol(const char *string); extern long long int atoll(const char *string); extern unsigned int atoui(const char *string); extern unsigned long atoul(const char *string); extern double strtod(const char *string, char **end); extern long strtol(const char *string, char **end, int base); extern unsigned long strtoul(const char *string, char **end, int base); extern long long strtoll(const char *string, char **end, int base); extern unsigned long long strtoull(const char *string, char **end, int base); /* random number generation */ extern void srand(unsigned int seed); extern int rand(void); extern int random(void); extern void srandom(unsigned int seed); extern int rand_r(unsigned int *seed); extern int random_r(struct random_data *data, int *result); extern int srandom_r(unsigned int seed, struct random_data *data); extern char *initstate(unsigned int seed, char *state, size_t size); extern char *setstate(char *state); extern int initstate_r(unsigned int seed, void *stateBuffer, size_t stateLength, struct random_data *data); extern int setstate_r(void *stateBuffer, struct random_data *data); extern double drand48(void); extern double erand48(unsigned short int xsubi[3]); extern long lrand48(void); extern long nrand48(unsigned short int xsubi[3]); extern long mrand48(void); extern long jrand48(unsigned short int xsubi[3]); extern void srand48(long int seed); extern unsigned short *seed48(unsigned short int seed16v[3]); extern void lcong48(unsigned short int param[7]); extern int drand48_r(struct drand48_data *data, double *result); extern int erand48_r(unsigned short int xsubi[3], struct drand48_data *data, double *result); extern int lrand48_r(struct drand48_data *data, long int *result); extern int nrand48_r(unsigned short int xsubi[3], struct drand48_data *data, long int *result); extern int mrand48_r(struct drand48_data *data, long int *result); extern int jrand48_r(unsigned short int xsubi[3], struct drand48_data *data, long int *result); extern int srand48_r(long int seed, struct drand48_data *data); extern int seed48_r(unsigned short int seed16v[3], struct drand48_data *data); extern int lcong48_r(unsigned short int param[7], struct drand48_data *data); /* search and sort functions */ typedef int (*_compare_function)(const void *, const void *); extern void *bsearch(const void *key, const void *base, size_t numElements, size_t sizeOfElement, _compare_function); extern int heapsort(void *base, size_t numElements, size_t sizeOfElement, _compare_function); extern int mergesort(void *base, size_t numElements, size_t sizeOfElement, _compare_function); extern void qsort(void *base, size_t numElements, size_t sizeOfElement, _compare_function); extern int radixsort(u_char const **base, int numElements, u_char const *table, u_int endByte); extern int sradixsort(u_char const **base, int numElements, u_char const *table, u_int endByte); /* misc math functions */ extern int abs(int number); extern long labs(long number); extern long long llabs(long long number); extern div_t div(int numerator, int denominator); extern ldiv_t ldiv(long numerator, long denominator); extern lldiv_t lldiv(long long numerator, long long denominator); /* wide & multibyte string functions */ extern int mblen(const char *string, size_t maxSize); extern int mbtowc(wchar_t *pwc, const char *string, size_t maxSize); extern int wctomb(char *string, wchar_t wchar); extern size_t mbstowcs(wchar_t *pwcs, const char *string, size_t maxSize); extern size_t wcstombs(char *string, const wchar_t *pwcs, size_t maxSize); /* crypt */ extern void setkey(const char *key); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* _STDLIB_H_ */