1 files changed, 4 insertions, 2 deletions
diff --git a/src/include/libc.h b/src/include/libc.h
index d0789cf..030f05f 100644
--- a/src/include/libc.h
+++ b/src/include/libc.h
@@ -2,10 +2,12 @@
 #define _STRING_H_
 #include <stddef.h>
 #include <stdint.h>
+#include <stdbool.h>
 
 void *strcpy(char *dest, char *src);
-void *memcpy(void *dest, void *src, size_t n); //TODO
-void *bzero(const void *dest, size_t size);
+void *memcpy(void *dest, void *src, size_t n);
+void *bzero(void *dest, size_t size);
+bool *is_empty(void *dest, size_t size);
 void *memset(void *s, char c, size_t n);
 size_t strlen(const char *s);
 int strcmp(const char *str1, const char *str2);