STRSPN(3) BSD Library Functions Manual STRSPN(3)

NAME
     ssttrrssppnn - span a string

LLIIBBRRAARRYY
     Standard C Library (libc, -lc)

SYNOPSIS
     ##iinncclluuddee <>

     sizet
     ssttrrssppnn(const char *s, const char *charset);

DESCRIPTION
     The ssttrrssppnn() function spans the initial part of the null-terminated
     string s as long as the characters from s occur in string charset.

RETURN VALUES
     The ssttrrssppnn() function returns the number of characters spanned.

SEE ALSO
     memchr(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3),
     strstr(3), strtok(3)

STANDARDS     The ssttrrssppnn() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

BSD                              June 4, 1993                              BSD