1 files changed, 27 insertions, 0 deletions
diff --git a/sys/libc/rindex.c b/sys/libc/rindex.c
new file mode 100644
index 00000000..74169120
--- /dev/null
+++ b/sys/libc/rindex.c
@@ -0,0 +1,27 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+*/
+
+#define	import_libc
+#define	import_spp
+#include <iraf.h>
+
+
+/* RINDEX -- Search string STR for char CH, returning a pointer to the last
+** occurrence of CH in STR or NULL.
+*/
+char *
+rindex (
+  char	*str,			/* string to be searched		*/
+  int	ch			/* character we are searching for	*/
+)
+{
+	register char	*ip = str;
+	register char	*last = NULL;
+
+	do {
+	    if (*ip == ch)
+		last = ip;
+	} while (*ip++);
+
+	return (last);
+}