1 files changed, 1 insertions, 0 deletions
diff --git a/util.h b/util.h
index 8c7a28d..501d11e 100644
--- a/util.h
+++ b/util.h
@@ -3,3 +3,4 @@
 #define max(a, b) ((a > b) ? a : b)
 
 void free_arr(void **arr, int n);
+int lsearch(const void *key, const void *base, size_t n, size_t size, int (*cmp)(const void *keyval, const void *datum));