remove uncessary memcpy

src/utils.c

@@ -22,13 +22,6 @@ void ERROR(const char *s) {
 
 }
 
-void bufcpy(char *dest, const char *src, size_t n) {
-    int i;
-    for (i = 0; i < n; i++) {
-        *dest++ = *src++;
-    }
-}
-
 char *itoa(int i) {
     /* Room for INT_DIGITS digits, - and '\0' */
     static char buf[INT_DIGITS + 2];