STRSPN(3) 1990 STRSPN(3) NNAAMMEE strspn - span a string SSYYNNOOPPSSIISS ##iinncclluuddee <<ssttrriinngg..hh>> ssiizzee__tt ssttrrssppnn((ccoonnsstt cchhaarr **ss,, ccoonnsstt cchhaarr **cchhaarrsseett));; DDEESSCCRRIIPPTTIIOONN SSttrrccssppnn spans the initial part of the null-terminated string _s as long as the characters from _s occur in string _c_h_a_r_s_e_t. SSttrrssppnn returns the number of characters spanned. SSEEEE AALLSSOO index(3), memchr(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3), strstr(3), strtok(3) SSTTAANNDDAARRDDSS SSttrrssppnn conforms to ANSI X3.159-1989 (``ANSI C''). Printed 7/27/90 May 1