isascii man page on Cygwin

isascii man page on Cygwin

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ISASCII(3)			    NEWLIB			    ISASCII(3)

NAME
       3.3 `isascii'--ASCII character predicate

SYNOPSIS
	    #include <ctype.h>
	    int isascii(int C);

DESCRIPTION
       `isascii'  is a macro which returns non-zero when C is an ASCII charac‐
       ter, and 0 otherwise.  It is defined for all integer values.

	  You can use a compiled subroutine instead of the macro definition by
       undefining the macro using ``#undef isascii''.

RETURNS
       `isascii' returns non-zero if the low order byte of C is in the range 0
       to 127 (`0x00'-`0x7F').

PORTABILITY
       `isascii' is ANSI C.

	  No supporting OS subroutines are required.

SEE ALSO
       isascii is part of the library.	The full documentation	for  is	 main‐
       tained as a Texinfo manual.  If info and are properly installed at your
       site, the command

	      info

       will give you access to the complete manual.

NEWLIB				  April 2010			    ISASCII(3)

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