islower man page on OpenBSD

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ISLOWER(3)		  OpenBSD Programmer's 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 letter for which none of
     iscntrl(3), isdigit(3), ispunct(3), or isspace(3) is true.	 In the C
     locale, islower() returns true only for the characters defined as lower-
     case letters.

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

SEE ALSO
     isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isdigit(3),
     isgraph(3), isprint(3), ispunct(3), isspace(3), isupper(3), isxdigit(3),
     stdio(3), toascii(3), tolower(3), toupper(3), ascii(7)

STANDARDS
     The islower() function conforms to ANSI X3.159-1989 (``ANSI C'').

CAVEATS
     The argument to islower() must be EOF or representable as an unsigned
     char; otherwise, the result is undefined.

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9
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