Index: uspace/lib/c/include/net/icmp_codes.h
===================================================================
--- uspace/lib/c/include/net/icmp_codes.h	(revision 8e3a65c6853b2023152999f5d7822941b153f9b7)
+++ uspace/lib/c/include/net/icmp_codes.h	(revision 84c20da1ad43d2a9494bd7e47d9adb9bd369f5f4)
@@ -42,4 +42,6 @@
 #define LIBC_ICMP_CODES_H_
 
+#include <sys/types.h>
+
 /** ICMP type type definition. */
 typedef uint8_t icmp_type_t;