C 标准库 - <stdio.h>
- 库宏和库函数
- 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)
C 标准库 - <stdlib.h>
- 库宏和库函数
- 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)
C 标准库 - <string.h>
- 库宏和库函数
- 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)
- size_t strxfrm(char *dest, const char *src, size_t n)
本手册源于https://www.w3xue.com/manual/c/, 有少量错误内容，请核实后谨慎使用。