Linux manual pages Section 3: Subroutines  

Name

stpcpy, strcasecmp, strcat, strchr, strcmp, strcoll, strcpy, strcspn, strdup, strfry, strlen, strncat, strncmp, strncpy, strncasecmp, strpbrk, strrchr, 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 *stpcpy( char *dest,
  const char *src);
 
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 null-terminated strings. See the individual man pages for descriptions of each function.

SEE ALSO

index(3), rindex(3), stpcpy(3), strcasecmp(3), strcat(3), strchr(3), strcmp(3), strcoll(3), strcpy(3), strcspn(3), strdup(3), strfry(3), strlen(3), strncasecmp(3), strncat(3), strncmp(3), strncpy(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3), strxfrm(3)

COLOPHON

This page is part of release 3.52 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man−pages/.


  Copyright 1993 David Metcalfe (davidprism.demon.co.uk)

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References consulted:
    Linux libc source code
    Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
    386BSD man pages
Modified Sun Jul 25 10:54:31 1993, Rik Faith (faithcs.unc.edu)