1 files changed, 12 insertions, 0 deletions
diff --git a/src/target/firmware/lib/index.c b/src/target/firmware/lib/index.c
new file mode 100644
index 00000000..bb304c04
--- /dev/null
+++ b/src/target/firmware/lib/index.c
@@ -0,0 +1,12 @@
+char *
+index(p, ch)
+	register char *p, ch;
+{
+	for (;; ++p) {
+		if (*p == ch)
+			return(p);
+		if (!*p)
+			return((char *)0);
+	}
+	/* NOTREACHED */
+}