strcspn

Langue: en

Version: 1993-04-12 (ubuntu - 24/10/10)

Autres sections - même nom

Section: 3 (Bibliothèques de fonctions)

NAME

strspn, strcspn - search a string for a set of characters

SYNOPSIS

 #include <string.h>
 
 size_t strspn(const char *s, const char *accept);
 
 size_t strcspn(const char *s, const char *reject);
 

DESCRIPTION

The strspn() function calculates the length of the initial segment of s which consists entirely of characters in accept.

The strcspn() function calculates the length of the initial segment of s which consists entirely of characters not in reject.

RETURN VALUE

The strspn() function returns the number of characters in the initial segment of s which consist only of characters from accept.

The strcspn() function returns the number of characters in the initial segment of s which are not in the string reject.

CONFORMING TO

SVr4, 4.3BSD, C89, C99.

SEE ALSO

index(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strsep(3), strstr(3), strtok(3), wcscspn(3), wcsspn(3)

COLOPHON

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