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



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

SYNOPSIS
       #include<string.h>

       size_tstrspn(constchar*s,constchar*accept);

       size_tstrcspn(constchar*s,constchar*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.

RETURNVALUE
       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.

CONFORMINGTO
       SVID 3, POSIX, BSD 4.3, ISO 9899

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



                                  1993-04-12                         STRSPN(3)