int tmp1, tmp2, tmp3, tmp4, tmp5, tmp6; int i;
int i; INT16 temp[64];
void block_permute(INT16 *block){    int tmp1, tmp2, tmp3, tmp4, tmp5, tmp6;    int i;    for(i=0;i<8;i++) {        tmp1 = block[1];        tmp2 = block[2];        tmp3 = block[3];        tmp4 = block[4];        tmp5 = block[5];        tmp6 = block[6];        block[1] = tmp2;        block[2] = tmp4;        block[3] = tmp6;        block[4] = tmp1;        block[5] = tmp3;        block[6] = tmp5;        block += 8;    }}