return (dp);
pxCompressBuf24to8(void *dst, void *src, int pixelcnt){	u_int32_t *sp;	u_int8_t *dp, *maxdp;	sp = src;	dp = dst;	maxdp = dp + pixelcnt;	while (dp < maxdp)		*dp++ = (u_int8_t)*sp++;	return (dp);}