4.4BSD/usr/share/man/cat3/islower.0

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ISLOWER(3)                  BSD Programmer's Manual                 ISLOWER(3)

NNAAMMEE
     iisslloowweerr - lower-case character test

SSYYNNOOPPSSIISS
     ##iinncclluuddee <<ccttyyppee..hh>>

     _i_n_t
     iisslloowweerr(_i_n_t _c);

DDEESSCCRRIIPPTTIIOONN
     The iisslloowweerr() function tests for any lower-case letters.  In the ASCII
     character set, this includes the following characters:


     141 ``a''     142 ``b''     143 ``c''     144 ``d''     145 ``e''
     146 ``f''     147 ``g''     150 ``h''     151 ``i''     152 ``j''
     153 ``k''     154 ``l''     155 ``m''     156 ``n''     157 ``o''
     160 ``p''     161 ``q''     162 ``r''     163 ``s''     164 ``t''
     165 ``u''     166 ``v''     167 ``w''     170 ``x''     171 ``y''
     172 ``z''

RREETTUURRNN VVAALLUUEESS
     The iisslloowweerr() 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 iisslloowweerr() function conforms to ANSI C X3.159-1989 (``ANSI C '').

4.4BSD                           June 4, 1993                                1