1 files changed, 3 insertions, 0 deletions
diff --git a/strings.h b/strings.h
index 7e772d3..1eb291c 100644
--- a/strings.h
+++ b/strings.h
@@ -1,6 +1,7 @@
 #ifndef STRINGS_H
 #define STRINGS_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 void uint32_to_dec(uint32_t number, char buf[10]);
@@ -23,4 +24,6 @@ void uint32_to_hexstringt(uint32_t number, char buf[9]);
 
 size_t strlen(char string[]);
 
+void memcpy(void *dst, void *src, size_t nbytes);
+  
 #endif // STRINGS_H