ISSPACE(3) BSD Programmer's Manual ISSPACE(3) NNAAMMEE iissssppaaccee - white-space character test SSYYNNOOPPSSIISS ##iinncclluuddee <<ccttyyppee..hh>> _i_n_t iissssppaaccee(_i_n_t _c); DDEESSCCRRIIPPTTIIOONN The iissssppaaccee() function tests for the standard white-space characters. In the ASCII character set, this includes the following characters: 011 ht 012 nl 013 vt 014 np 015 cr 040 sp RREETTUURRNN VVAALLUUEESS The iissssppaaccee() function returns zero if the character tests false and re- turns non-zero if the character tests true. SSEEEE AALLSSOO ctype(3), ascii(7) SSTTAANNDDAARRDDSS The iissssppaaccee() function conforms to ANSI C X3.159-1989 (``ANSI C ''). 4.4BSD June 4, 1993 1