--- /dev/null
+#include "config.h"
+#include <stdio.h>
+#include <string.h>
+
+/**
+ * str/hex - hex-to-string conversions and vice-versa
+ *
+ * This code contains simple routines for hexidecimal strings.
+ *
+ * License: CC0 (Public domain)
+ * Author: Rusty Russell <rusty@rustcorp.com.au>
+ *
+ * Example:
+ * int main(int argc, char *argv[])
+ * {
+ * int i;
+ *
+ * for (i = 1; i < argc; i++) {
+ * char str[hex_str_size(strlen(argv[i]))];
+ *
+ * hex_encode(str, sizeof(str), argv[i], strlen(argv[i]));
+ * printf("%s ", str);
+ * }
+ * printf("\n");
+ * return 0;
+ * }
+ */
+int main(int argc, char *argv[])
+{
+ /* Expect exactly one argument */
+ if (argc != 2)
+ return 1;
+
+ if (strcmp(argv[1], "depends") == 0) {
+ return 0;
+ }
+
+ return 1;
+}