1 files changed, 4 insertions, 1 deletions
diff --git a/util.h b/util.h
index e00c8b7..121d81b 100644
--- a/util.h
+++ b/util.h
@@ -4,6 +4,7 @@
 
 #include <signal.h> /* for sig_atomic_t */
 #include <string.h> /* for memset(3) */
+#include <stdbool.h>
 
 #define UNUSED __attribute__((__unused__))
 #define ZERO(x) memset(&(x), 0, sizeof(x))
@@ -12,4 +13,6 @@
 #define _(str) str
 #endif
 
-void * xrealloc(void *ptr, size_t size);
+void *xrealloc(void *ptr, size_t size);
+bool is_numeric(const char *str);
+int get_fd(const char *addr);