Symbol: SGN
src/system/libnetwork/netresolv/isc/ev_timers.c
111
#define SGN(x) ((x) < 0 ? (-1) : (x) > 0 ? (1) : (0));
src/tests/kits/game/ParticlesII/particlesII.cpp
439
#define SGN(x) (((x)<0) ? -1 : 1)