HelenOS sources

U_DOWN_ARROW      120 kernel/genarch/src/kbrd/scanc_at.c 	U_DOWN_ARROW, /* 0x72 Down Arrow */
U_DOWN_ARROW      216 kernel/genarch/src/kbrd/scanc_at.c 	U_DOWN_ARROW, /* 0x72 Down Arrow */
U_DOWN_ARROW      104 kernel/genarch/src/kbrd/scanc_mac.c 	[0x3d] = U_DOWN_ARROW,
U_DOWN_ARROW       80 kernel/genarch/src/kbrd/scanc_pc.c 	U_DOWN_ARROW,   /* 0x50 - Down Arrow */
U_DOWN_ARROW      170 kernel/genarch/src/kbrd/scanc_pc.c 	U_DOWN_ARROW,   /* 0x50 - Down Arrow */
U_DOWN_ARROW       70 kernel/genarch/src/kbrd/scanc_sun.c 	[0x1b] = U_DOWN_ARROW,   /* Down Arrow */
U_DOWN_ARROW      202 kernel/genarch/src/kbrd/scanc_sun.c 	[0x1b] = U_DOWN_ARROW,   /* Down Arrow */
U_DOWN_ARROW       84 kernel/genarch/src/srln/srln.c 				ch = U_DOWN_ARROW;
U_DOWN_ARROW      483 kernel/generic/src/console/kconsole.c 		if ((ch == U_UP_ARROW) || (ch == U_DOWN_ARROW)) {
HelenOS homepage, sources at GitHub