Manpage of ISASCII
ISASCII
Section: NEWLIB (3)
Updated: 2005 Feb 23
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NAME
2.3 `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
character, 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
libc
library.
The full documentation for
libc
is maintained as a Texinfo manual. If
info
and
libc
are properly installed at your site, the command
-
info libc
will give you access to the complete manual.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURNS
-
- PORTABILITY
-
- SEE ALSO
-
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