1 files changed, 3 insertions, 0 deletions
diff --git a/utils.h b/utils.h
index d675a5c..3a8e557 100644
--- a/utils.h
+++ b/utils.h
@@ -14,6 +14,7 @@
 #ifndef __NETIFD_UTILS_H
 #define __NETIFD_UTILS_H
 
+#include <stdio.h>
 #include <libubox/list.h>
 #include <libubox/avl.h>
 #include <libubox/avl-cmp.h>
@@ -109,6 +110,8 @@ int parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netm
 
 char * format_macaddr(uint8_t *mac);
 
+uint32_t crc32_file(FILE *fp);
+
 #ifdef __APPLE__
 #define s6_addr32	__u6_addr.__u6_addr32
 #endif