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C 语言标准库

C 标准库 - <assert.h>

C 标准库 - <ctype.h>

C 标准库 - <errno.h>

C 标准库 - <float.h>

C 标准库 - <limits.h>

C 标准库 - <locale.h>

C 标准库 - <math.h>

C 标准库 - <setjmp.h>

C 标准库 - <signal.h>

C 标准库 - <stdarg.h>

C 标准库 - <stddef.h>

C 标准库 - <stdio.h>

C 标准库 - <stdlib.h>

C 标准库 - <string.h>

C 标准库 - <time.h>

void assert(int expression)

int isalnum(int c)

int isalpha(int c)

int iscntrl(int c)

int isdigit(int c)

int isgraph(int c)

int islower(int c)

int isprint(int c)

int ispunct(int c)

int isspace(int c)

int isupper(int c)

int isxdigit(int c)

int tolower(int c)

int toupper(int c)

extern int errno

EDOM Domain Error

ERANGE Range Error

char *setlocale(int category, const char *locale)

struct lconv *localeconv(void)

double acos(double x)

double asin(double x)

double atan(double x)

double atan2(double y, double x)

double cos(double x)

double cosh(double x)

double sin(double x)

double sinh(double x)

double tanh(double x)

double exp(double x)

double frexp(double x, int *exponent)

double ldexp(double x, int exponent)

double log(double x)

double log10(double x)

double modf(double x, double *integer)

double pow(double x, double y)

double sqrt(double x)

double ceil(double x)

double fabs(double x)

double floor(double x)

double fmod(double x, double y)

int setjmp(jmp_buf environment)

void longjmp(jmp_buf environment, int value)

void (*signal(int sig, void (*func)(int)))(int)

int raise(int sig)

void va_start(va_list ap, last_arg)

type va_arg(va_list ap, type)

void va_end(va_list ap)

NULL

offsetof(type, member-designator)

int fclose(FILE *stream)

void clearerr(FILE *stream)

int feof(FILE *stream)

int ferror(FILE *stream)

int fflush(FILE *stream)

int fgetpos(FILE *stream, fpos_t *pos)

FILE *fopen(const char *filename, const char *mode)

size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream)

FILE *freopen(const char *filename, const char *mode, FILE *stream)

int fseek(FILE *stream, long int offset, int whence)

int fsetpos(FILE *stream, const fpos_t *pos)

long int ftell(FILE *stream)

size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)

int remove(const char *filename)

int rename(const char *old_filename, const char *new_filename)

void rewind(FILE *stream)

void setbuf(FILE *stream, char *buffer)

int setvbuf(FILE *stream, char *buffer, int mode, size_t size)

FILE *tmpfile(void)

char *tmpnam(char *str)

int fprintf(FILE *stream, const char *format, ...)

int printf(const char *format, ...)

int sprintf(char *str, const char *format, ...)

int vfprintf(FILE *stream, const char *format, va_list arg)

int vprintf(const char *format, va_list arg)

int vsprintf(char *str, const char *format, va_list arg)

int fscanf(FILE *stream, const char *format, ...)

int scanf(const char *format, ...)

int sscanf(const char *str, const char *format, ...)

int fgetc(FILE *stream)

char *fgets(char *str, int n, FILE *stream)

int fputc(int char, FILE *stream)

int fputs(const char *str, FILE *stream)

int getc(FILE *stream)

int getchar(void)

char *gets(char *str)

int putc(int char, FILE *stream)

int putchar(int char)

int puts(const char *str)

int ungetc(int char, FILE *stream)

void perror(const char *str)

double atof(const char *str)

int atoi(const char *str)

long int atol(const char *str)

double strtod(const char *str, char **endptr)

long int strtol(const char *str, char **endptr, int base)

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

void *calloc(size_t nitems, size_t size)

void free(void *ptr)

void *malloc(size_t size)

void *realloc(void *ptr, size_t size)

void abort(void)

int atexit(void (*func)(void))

void exit(int status)

char *getenv(const char *name)

int system(const char *string)

void *bsearch(const void *key, const void *base, size_t nitems, size_t size, int (*compar)(const void *, const void *))

void qsort(void *base, size_t nitems, size_t size, int (*compar)(const void *, const void*))

int abs(int x)

div_t div(int numer, int denom)

long int labs(long int x)

ldiv_t ldiv(long int numer, long int denom)

int rand(void)

void srand(unsigned int seed)

int mblen(const char *str, size_t n)

size_t mbstowcs(schar_t *pwcs, const char *str, size_t n)

int mbtowc(whcar_t *pwc, const char *str, size_t n)

size_t wcstombs(char *str, const wchar_t *pwcs, size_t n)

int wctomb(char *str, wchar_t wchar)

void *memchr(const void *str, int c, size_t n)

int memcmp(const void *str1, const void *str2, size_t n)

void *memcpy(void *dest, const void *src, size_t n)

void *memmove(void *dest, const void *src, size_t n)

void *memset(void *str, int c, size_t n)

char *strcat(char *dest, const char *src)

char *strncat(char *dest, const char *src, size_t n)

char *strchr(const char *str, int c)

int strcmp(const char *str1, const char *str2)

int strncmp(const char *str1, const char *str2, size_t n)

int strcoll(const char *str1, const char *str2)

char *strcpy(char *dest, const char *src)

char *strncpy(char *dest, const char *src, size_t n)

size_t strcspn(const char *str1, const char *str2)

char *strerror(int errnum)

size_t strlen(const char *str)

char *strpbrk(const char *str1, const char *str2)

char *strrchr(const char *str, int c)

size_t strspn(const char *str1, const char *str2)

char *strstr(const char *haystack, const char *needle)

char *strtok(char *str, const char *delim)

char *asctime(const struct tm *timeptr)

clock_t clock(void)

size_t strxfrm(char *dest, const char *src, size_t n)

char *ctime(const time_t *timer)

double difftime(time_t time1, time_t time2)

struct tm *gmtime(const time_t *timer)

struct tm *localtime(const time_t *timer)

time_t mktime(struct tm *timeptr)

size_t strftime(char *str, size_t maxsize, const char *format, const struct tm *timeptr)

time_t time(time_t *timer)

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