
CTYPE(3)                   UNIX Programmer's Manual                   CTYPE(3)

NNAAMMEE
     iissaallpphhaa, iissuuppppeerr, iisslloowweerr, iissddiiggiitt, iissxxddiiggiitt, iissaallnnuumm, iissssppaaccee, iissppuunncctt,
     iisspprriinntt, iissggrraapphh, iissccnnttrrll, iissaasscciiii, ttoouuppppeerr, ttoolloowweerr, ttooaasscciiii - character
     classification macros

SSYYNNOOPPSSIISS
     ##iinncclluuddee <<ccttyyppee..hh>>
     _i_n_t _c

     iissaallpphhaa(_c)

     iissuuppppeerr(_c)

     iisslloowweerr(_c)

     iissddiiggiitt(_c)

     iissxxddiiggiitt(_c)

     iissaallnnuumm(_c)

     iissssppaaccee(_c)

     iissppuunncctt(_c)

     iisspprriinntt(_c)

     iissggrraapphh(_c)

     iissccnnttrrll(_c)

     iissaasscciiii(_c)

     ttoouuppppeerr(_c)

     ttoolloowweerr(_c)

     ttooaasscciiii(_c)

DDEESSCCRRIIPPTTIIOONN
     The above macros perform character tests and conversions on the integer
     _c.

     See the specific manual pages for more information.

SSEEEE AALLSSOO
     isalpha(3),  isupper(3),  islower(3),  isdigit(3),  isxdigit(3),
     isalnum(3),  isspace(3),  ispunct(3),  isprint(3),  isgraph(3),
     iscntrl(3),  isascii(3),  toupper(3),  tolower(3),  toascii(3),  ascii(7)

SSTTAANNDDAARRDDSS
     These functions, except for ttoouuppppeerr(), ttoolloowweerr() and ttooaasscciiii(), conform
     to ANSI C3.159-1989 (``ANSI C'').

BSD Experimental                April 19, 1991                               1








