HelenOS sources
ALPHA 49 uspace/lib/pixconv/pixconv.c (ALPHA(pix) << 24) | (RED(pix) << 16) | (GREEN(pix) << 8) | (BLUE(pix)));
ALPHA 55 uspace/lib/pixconv/pixconv.c (ALPHA(pix) << 24) | (BLUE(pix) << 16) | (GREEN(pix) << 8) | (RED(pix)));
ALPHA 61 uspace/lib/pixconv/pixconv.c (RED(pix) << 24) | (GREEN(pix) << 16) | (BLUE(pix) << 8) | (ALPHA(pix)));
ALPHA 67 uspace/lib/pixconv/pixconv.c (BLUE(pix) << 24) | (GREEN(pix) << 16) | (RED(pix) << 8) | (ALPHA(pix)));
ALPHA 234 uspace/srv/hid/rfb/rfb.c bool free = ALPHA(rfb->palette[i]) == 0;
HelenOS homepage, sources at GitHub