1 files changed, 4 insertions, 0 deletions
diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 49116df..ffe9073 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -2,6 +2,7 @@
 #define _STDLIB_H_
 
 #include <stddef.h>
+#include <stdio.h>
 
 /* this is by no means standards-compliant... but who cares? :P */
 
@@ -18,5 +19,8 @@ void srand(unsigned int);
 int abs(int);
 void *malloc(size_t);
 int snprintf(char*, int, const char*, ...);
+void assert_fail(const char*, const char*, int);
+
+#define assert(x) if(!(x))assert_fail(__func__, __FILE__, __LINE__);
 
 #endif