NAME strcspn - span the complement of a string CONTENTS Library Synopsis Description Return Values See Also Standards LIBRARY .Lb libc SYNOPSIS .In string.h size_t strcspn "const char *s" "const char *charset" DESCRIPTION The strcspn function spans the initial part of the null-terminated string s as long as the characters from s do not occur in string charset (it spans the complement of charset). In other words, it computes the string array index in s of the first character of s which is also in charset, else the index of the first null character. RETURN VALUES The strcspn function returns the number of characters spanned. SEE ALSO memchr(3), strchr(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3) STANDARDS
