1 files changed, 31 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..8241ddf
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,31 @@
+#ifndef fooutilhfoo
+#define fooutilhfoo
+
+#include <stdio.h>
+#include <stdint.h>
+
+#ifndef ETH_ALEN
+#define ETH_ALEN 6
+#endif
+
+#ifndef MIN
+#define MIN(a,b) ((a)<(b)?(a):(b))
+#endif
+
+struct hw_addr {
+    uint8_t addr[ETH_ALEN];
+};
+
+
+extern struct hw_addr null_ap;
+
+void print_hex(FILE *f, uint8_t *w, int l);
+void print_hw_addr(FILE*f, struct hw_addr *a);
+void snprint_hw_addr(char *c, int l, struct hw_addr *a);
+int parse_hex(char *s, uint8_t *b, int l);
+int hw_addr_equal(struct hw_addr *a, struct hw_addr *b);
+int is_assoc_ap(struct hw_addr *ap);
+int get_ifname(int idx, char *p, int l);
+int is_iface_available(char *p);
+
+#endif