home   contributing   bugs   download   online pages  

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | CONFORMING TO | SEE ALSO | COLOPHON


STRSPN(3)                     Linux Programmer's Manual                     STRSPN(3)

NAME         top

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

SYNOPSIS         top

       #include <string.h>

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

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

DESCRIPTION         top

       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         top

       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         top

       SVr4, 4.3BSD, C89, C99.

SEE ALSO         top

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

COLOPHON         top

       This page is part of release 3.23 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/.

                                      1993-04-12                            STRSPN(3)