1 files changed, 10 insertions, 0 deletions
diff --git a/src/lib/lib.h b/src/lib/lib.h
index aa5d3bc..f0d7d1b 100644
--- a/src/lib/lib.h
+++ b/src/lib/lib.h
@@ -1,8 +1,18 @@
 #ifndef MELVIX_LIB_H
 #define MELVIX_LIB_H
 
+#include <stddef.h>
+
 size_t strlen(const char *str);
 
 size_t strcmp(const char *s1, const char *s2);
 
+char *strcat(char *dst, const char *src);
+
+void *memory_copy(void *dest, const void *src, size_t count);
+
+void *memory_set(void *dest, char val, size_t count);
+
+int memory_compare(const void *a_ptr, const void *b_ptr, size_t size);
+
 #endif