a C standard library for fx Casio calculators
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#ifndef __STDLIB_H__
# define __STDLIB_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
#include <stdint.h>
#include <bits/exit.h>
/* Dynamic memory management. */
/* Allocate SIZE bytes of memory. */
extern void *malloc(size_t __size);
/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */
extern void *calloc(size_t __nmemb, size_t __size);
/*
** Re-allocate the previously allocated block in PTR, making the new block
** SIZE bytes long.
*/
extern void *realloc(void *__ptr, size_t __size);
/*
** Re-allocate the previously allocated block in PTR, making the new block large
** enough for NMEMB elements of SIZE bytes each.
*/
extern void *reallocarray(void *__ptr, size_t __nmemb, size_t __size);
/* Free a block allocated by `malloc', `realloc' or `calloc'. */
extern void free(void *__ptr);
/* Communication with the environment. */
/* Abort execution; raises SIGABRT and leaves quickly with _Exit(). */
__attribute__((noreturn))
extern void abort(void);
/* Exit; calls handlers, flushes and closes streams and temporary files. */
__attribute__((noreturn))
extern void exit(int __status);
/* Exit immediately, bypassing exit handlers or signal handlers. */
__attribute__((noreturn))
extern void _Exit(int __status);
/* Integer arithmetic functions. */
extern int abs(int __j);
#define abs(j) ({ \
int __j = (j); \
(__j >= 0) ? __j : -(__j); \
})
extern long int labs(long int __j);
#define labs(j) ({ \
long int __j = (j); \
(__j >= 0) ? __j : -(__j); \
})
extern long long int llabs(long long int __j);
#define llabs(j) ({ \
long long int __j = (j); \
(__j >= 0) ? __j : -(__j); \
})
typedef struct {
int quot, rem;
} div_t;
typedef struct {
long int quot, rem;
} ldiv_t;
typedef struct {
long long int quot, rem;
} lldiv_t;
extern div_t div(int __num, int __denom);
extern ldiv_t ldiv(long int __num, long int __denom);
extern lldiv_t lldiv(long long int __num, long long int __denom);
/* Simplified numeric conversion functions. */
/* ASCII to int. */
extern int atoi(char const *__ptr);
/* ASCII to long int. */
extern long int atol(char const *__ptr);
/* ASCII to long long int. */
extern long long int atoll(char const *__ptr);
/* Numeric conversion functions. */
/* ASCII to floating-point. */
extern double atof(char const *__ptr);
/* Parse a long int from a string. */
extern long int strtol(
char const * __restrict__ __ptr,
char ** __restrict__ __endptr,
int __base);
/* Parse a long unsigned int from a string. */
extern unsigned long int strtoul(
char const * __restrict__ __ptr,
char ** __restrict__ __endptr,
int __base);
/* Parse a long long int from a string. */
extern long long int strtoll(
char const * __restrict__ __ptr,
char ** __restrict__ __endptr,
int __base);
/* Parse a long long unsigned int from a string. */
extern unsigned long long int strtoull(
char const * __restrict__ __ptr,
char ** __restrict__ __endptr,
int __base);
/* Parse a double from a string. */
extern double strtod(
char const * __restrict__ __ptr,
char ** __restrict__ __endptr);
/* Parse a float from a string. */
extern float strtof(
char const * __restrict__ __ptr,
char ** __restrict__ __endptr);
/* Parse a long double from a string. */
extern long double strtold(
char const * __restrict__ __ptr,
char ** __restrict__ __endptr);
/* Pseudo-random sequence generation functions. */
#define RAND_MAX 0x7fffffff
/* Seed the PRNG. */
extern void srand(unsigned int seed);
/* Generate a pseudo-random number between 0 and RAND_MAX. */
extern int rand(void);
/* Searching and sorting utilities. */
void qsort(void *base, size_t nmemb, size_t size,
int (*compare)(void const *left, void const *right));
#ifdef __cplusplus
}
#endif
#endif /*__STDLIB_H__*/