1 files changed, 1 insertions, 0 deletions

diff --git a/user.h b/user.h
index bda6e6c..1bd512d 100644
--- a/user.h
+++ b/user.h
@@ -31,3 +31,4 @@ unsigned int strlen(char*);
 void* memset(void*, int, unsigned int);
 void* malloc(uint);
 void free(void*);
+int atoi(const char*);