islower man page on Minix

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

NAME
     islower — lower-case character test

LIBRARY
     Standard C Library (libc, -lc)

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() function returns zero if the character tests false and
     returns non-zero if the character tests true.

SEE ALSO
     ctype(3), 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 C89”).

CAVEATS
     The argument to islower() must be EOF or representable as an unsigned
     char; otherwise, the behavior is undefined.  See the CAVEATS section of
     ctype(3) for more details.

BSD				April 17, 2008				   BSD
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