1 files changed, 14 insertions, 3 deletions
diff --git a/src/include/string.h b/src/include/string.h
index 500f545..bef5854 100644
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -1,7 +1,18 @@
-#ifndef STRING_H
-#define STRING_H
+#ifndef _STRING_H
+#define _STRING_H
+#include <stddef.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+void* memcpy(void*, const void*, size_t);
+void* memset(void*, int, size_t);
+char* strcpy(char*, const char*);
+size_t strlen(const char*);
+#ifdef __cplusplus
+}
+#endif
 
-#include"types.h"
+#include<types.h>
 
 size_t stringlen(char *str);
 bool stringcmp(char *str1,char *str2);