index

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Version: 1993-04-12 (openSuse - 09/10/07)

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Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

index, rindex - locate character in string

SYNOPSIS


#include <strings.h>



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



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

DESCRIPTION

The index() function returns a pointer to the first occurrence of the character c in the string s.

The rindex() function returns a pointer to the last occurrence of the character c in the string s.

The terminating NULL character is considered to be a part of the strings.

RETURN VALUE

The index() and rindex() functions return a pointer to the matched character or NULL if the character is not found.

CONFORMING TO

4.3BSD; marked as LEGACY in POSIX.1-2001.

SEE ALSO

memchr(3), strchr(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3)