--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/str_rchr.c	Fri Oct 19 14:06:22 2007 +0200
@@ -0,0 +1,22 @@
+#include "str.h"
+
+unsigned int str_rchr(s,c)
+register char *s;
+int c;
+{
+  register char ch;
+  register char *t;
+  register char *u;
+
+  ch = c;
+  t = s;
+  u = 0;
+  for (;;) {
+    if (!*t) break; if (*t == ch) u = t; ++t;
+    if (!*t) break; if (*t == ch) u = t; ++t;
+    if (!*t) break; if (*t == ch) u = t; ++t;
+    if (!*t) break; if (*t == ch) u = t; ++t;
+  }
+  if (!u) u = t;
+  return u - s;
+}