Upload

Digital Research

CPM OPERATING SYSTEMS/CPM 68K/1.0X SOURCES/v102a/clib/blkmove.c

@@ -0,0 +1,28 @@
+/***************************************************************************
+*
+*		b l k m o v e   F u n c t i o n
+*		-------------------------------
+*	Copyright 1983, by Digital Research Inc.
+*
+*	"blkmove()" moves a block of bytes from one address to another.
+*
+*	Calling sequence:
+*		blkmove(to,from,nn)
+*	Where:
+*		'to' points to destination
+*		'from' points to source, and
+*		'nn' is the number of chars to move
+*
+***************************************************************************/
+#include <portab.h>
+
+VOID	blkmove(to,from,nn)			/* CLEAR FUNCTION ***********/
+    BYTE *to, *from;
+    WORD nn;
+{
+	if( to < from ) 
+		while(nn--)
+			*to++ = *from++;
+	else 
+		for( to += nn, from += nn; nn--; )
+			*--to = *--from;