linux下查看源码命令string

STRING(3)    Linux Programmer?. Manual      STRING(3)

NAME
       strcasecmp,  strcat, strchr, strcmp, strcoll, strcpy, strcspn, strdup,
       strfry, strlen, strncat, strncmp, strncpy, strncasecmp, strpbrk,  str-
       rchr,  strsep, strspn, strstr, strtok, strxfrm, index, rindex - string
       operations

SYNOPSIS
       #include <strings.h>

       int strcasecmp(const char *s1, const char *s2);

       int strncasecmp(const char *s1, const char *s2, size_t n);

       char *index(const char *s, int c);

       char *rindex(const char *s, int c);

       #include <string.h>

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

       char *strchr(const char *s, int c);

       int strcmp(const char *s1, const char *s2);

       int strcoll(const char *s1, const char *s2);

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

       size_t strcspn(const char *s, const char *reject);

       char *strdup(const char *s);

       char *strfry(char *string);

       size_t strlen(const char *s);

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

       int strncmp(const char *s1, const char *s2, size_t n);

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

       char *strpbrk(const char *s, const char *accept);

       char *strrchr(const char *s, int c);

       char *strsep(char **stringp, const char *delim);

       size_t strspn(const char *s, const char *accept);

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

       char *strtok(char *s, const char *delim);

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

DESCRIPTION
       The string  functions  perform  string  operations  on  NUL-terminated
       strings.   See the individual man pages for descriptions of each func-
       tion.

SEE ALSO
       index(3), rindex(3), strcasecmp(3), strcat(3),  strchr(3),  strcmp(3),
       strcoll(3),  strcpy(3), strcspn(3),  strdup(3), strfry(3), strlen(3),
       strncat(3), strncmp(3), strncpy(3), strncasecmp(3),  strpbrk(3),  str-
       rchr(3), strsep(3), strspn(3), strstr(3), strtok(3), strxfrm(3)

      1993-04-09       STRING(3)