for (; count >= 8; count -= 8, dest += 8)\r
dest[0] = dest[1] = dest[2] = dest[3] =\r
dest[4] = dest[5] = dest[6] = dest[7] = c;\r
for (; count >= 8; count -= 8, dest += 8)\r
dest[0] = dest[1] = dest[2] = dest[3] =\r
dest[4] = dest[5] = dest[6] = dest[7] = c;\r