1 files changed, 8 insertions, 1 deletions
diff --git a/include/common.h b/include/common.h
index 86f1f9c..88ee8c4 100644
--- a/include/common.h
+++ b/include/common.h
@@ -16,4 +16,11 @@ static inline int strcmp(const char *str1, const char* str2) {
     return *(const unsigned char *)str1 - *(const unsigned char *)str2;
 }
 
-
+static inline void *memcpy(void *restrict dest, const void* restrict src, size_t size) {
+    unsigned char *d = (unsigned char *)dest;
+    unsigned char *s = (unsigned char *)src;
+    for (size_t i = 0; i < size; i++) {
+        d[i] = s[i];
+    }
+    return d;
+}