ref: cbfcf3bf786e1dd5ccfbc97bff65fbc1efaa3903
dir: /doc/man3/strcspn.3/
.TH strcspn 3 .SH NAME strcspn - get length of complementary substring .SH SYNOPSIS #include <string.h> size_t strcspn(const char *s1, const char *s2) .SH DESCRIPTION The .BR strcspn () function computes the length of the maximum initial segment of string pointed to by .I s1 which consists entirely of characters not from the string pointed to by .IR s2 . .SH RETURN VALUE The .BR strcspn () function shall return the length of the segment. .SH STANDARDS ISO/IEC 9899:1999 Section 7.21.5.3