1 files changed, 6 insertions, 5 deletions
diff --git a/euler/include/cstring b/euler/include/cstring
index 45bc94e..cba5eb2 100644
--- a/euler/include/cstring
+++ b/euler/include/cstring
@@ -1,8 +1,9 @@
 #pragma once
 
-#include <stddef.h>
+#include <cstddef>
 
-namespace std {
-  size_t strlen(const char *str);
-  void *memcpy(void *dest, const void *src, size_t count);
-}
+extern "C" void *memset(void *dest, int ch, size_t count);
+extern "C" void *memcpy(void *dest, const void *src, size_t count);
+
+extern "C" int strcmp(const char *lhs, const char *rhs);
+extern "C" size_t strlen(const char *str);