ref: 2bee5e38261775e54c94508a6955f0bbfa28e51c
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