From 48ef7704c03e7e554c05de01bf8d1d70c16cb6f4 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Wed, 20 Dec 2017 16:34:35 -0500
Subject: add libc building to agbcc.

---
 libc/ctype/isspace.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 libc/ctype/isspace.c

(limited to 'libc/ctype/isspace.c')

diff --git a/libc/ctype/isspace.c b/libc/ctype/isspace.c
new file mode 100644
index 0000000..1bc0798
--- /dev/null
+++ b/libc/ctype/isspace.c
@@ -0,0 +1,44 @@
+
+/*
+FUNCTION
+	<<isspace>>---whitespace character predicate
+
+INDEX
+	isspace
+
+ANSI_SYNOPSIS
+	#include <ctype.h>
+	int isspace(int <[c]>);
+
+TRAD_SYNOPSIS
+	#include <ctype.h>
+	int isspace(<[c]>);
+
+DESCRIPTION
+<<isspace>> is a macro which classifies ASCII integer values by table
+lookup.  It is a predicate returning non-zero for whitespace
+characters, and 0 for other characters.  It is defined only when <<isascii>>(<[c]>) is true or <[c]> is EOF.
+
+You can use a compiled subroutine instead of the macro definition by
+undefining the macro using `<<#undef isspace>>'.
+
+RETURNS
+<<isspace>> returns non-zero if <[c]> is a space, tab, carriage return, new
+line, vertical tab, or formfeed (<<0x09>>--<<0x0D>>, <<0x20>>).
+
+PORTABILITY
+<<isspace>> is ANSI C.
+
+No supporting OS subroutines are required.
+*/
+#include <_ansi.h>
+#include <ctype.h>
+
+
+#undef isspace
+int
+_DEFUN(isspace,(c),int c)
+{
+	return((_ctype_ + 1)[c] & _S);
+}
+
-- 
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