1 files changed, 16 insertions, 0 deletions

diff --git a/byte_copy.c b/byte_copy.c
new file mode 100644
index 0000000..74c9e4a
--- /dev/null
+++ b/byte_copy.c
@@ -0,0 +1,16 @@
+/* Public domain. */
+
+#include "byte.h"
+
+void byte_copy(to,n,from)
+register char *to;
+register unsigned int n;
+register char *from;
+{
+  for (;;) {
+    if (!n) return; *to++ = *from++; --n;
+    if (!n) return; *to++ = *from++; --n;
+    if (!n) return; *to++ = *from++; --n;
+    if (!n) return; *to++ = *from++; --n;
+  }
+}