1 files changed, 1 insertions, 0 deletions
diff --git a/user.h b/user.h
index 75687b6..7d2e596 100644
--- a/user.h
+++ b/user.h
@@ -23,6 +23,7 @@ char* sbrk(int);
 int stat(char*, struct stat*);
 int puts(char*);
 char* strcpy(char*, char*);
+void *memmove(void*, void*, int);
 char* strchr(const char*, char c);
 int strcmp(const char*, const char*);
 void printf(int, char*, ...);