banjo-kazooie/src/core1/audio/copy.c

#include <ultra64.h>
#include "functions.h"
#include "variables.h"

void alCopy(void *src, void *dest, s32 len)
{
    s32  i;
    u8 *s = (u8 *)src;
    u8 *d = (u8 *)dest;

    for (i = 0; i < len; i++){
        *d++ = *s++;
    }
}