strcspn.man (476B)
1 .TH strcspn 3 scc\-VERSION 2 .SH NAME 3 strcspn - compute the length of the initial segment not containing given characters 4 .SH SYNOPSIS 5 #include <string.h> 6 7 size_t strcspn(const char *s1, const char *s2) 8 .SH DESCRIPTION 9 The 10 .BR strcspn () 11 function calculates the length of the longest prefix of the string at 12 .I s1 13 that contains no characters found in the string at 14 .IR s2 . 15 .SH RETURN VALUE 16 The length of the prefix is returned. 17 .SH STANDARDS 18 ISO/IEC 9899:1999 Section 7.21.5.3