islower man page on 4.4BSD

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ISLOWER(3)		 BSD Library Functions Manual		    ISLOWER(3)

NAME
     islower — lower-case character test

SYNOPSIS
     #include <ctype.h>

     int
     islower(int c);;

DESCRIPTION
     The islower() 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''

RETURN VALUES
     The islower() function returns zero if the character tests false and
     returns non-zero if the character tests true.

SEE ALSO
     ctype(3), ascii(7)

STANDARDS
     The islower() function conforms to ANSI X3.159-1989 (“ANSI C89”).

BSD				 June 4, 1993				   BSD
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