1 files changed, 17 insertions, 2 deletions
diff --git a/lib/stdlib.h b/lib/stdlib.h
index 6b8e09d..7f235f0 100644
--- a/lib/stdlib.h
+++ b/lib/stdlib.h
@@ -1,6 +1,21 @@
 #pragma once
 
-#include <stddef.h>
+/**
+ * Allocate size bytes and return a pointer to the allocated memory
+ */
+void *malloc(unsigned int size);
 
-void *malloc(size_t size);
+/**
+ * Free the memory space pointed to by ptr
+ */
 void free(void *ptr);
+
+/**
+ * Fill the first n bytes of the memory area pointed to by s with the constant byte c.
+ */
+void *memset(void *s, int c, long unsigned n);
+
+/**
+ * Copy n bytes from memory area src to memory area dest.  The memory areas must not overlap.
+ */
+void *memcpy(void *restrict dest, const void *restrict src, long unsigned n);