scc

 1.TH strspn 3 scc\-VERSION
 2.SH NAME
 3strspn - compute the length of the initial segment containing only given characters
 4.SH SYNOPSIS
 5#include <string.h>
 6
 7size_t strspn(const char *s1, const char *s2)
 8.SH DESCRIPTION
 9The
10.BR strspn ()
11function calculates the length of the longest prefix of the string at
12.I s1
13that consists entirely of characters found in the string at
14.IR s2 .
15.SH RETURN VALUE
16The length of the prefix is returned.
17.SH STANDARDS
18ISO/IEC 9899:1999 Section 7.21.5.6