NDIV              150 ext/date/date_core.c #define DIV(n,d) ((n)<0 ? NDIV((n),(d)) : (n)/(d))
NDIV             7040 process.c      #define DIV(n,d) ((n)<0 ? NDIV((n),(d)) : (n)/(d))
NDIV               41 time.c         #define DIV(n,d) ((n)<0 ? NDIV((n),(d)) : (n)/(d))
NDIV             2098 time.c         	sec2 = NDIV(nsec,1000000000); /* negative div */
NDIV             2150 time.c         	long sec2 = NDIV(usec,1000000); /* negative div */