NRCHECK 454 source4/heimdal/lib/hcrypto/imath/imath.c NRCHECK(z != NULL); NRCHECK 505 source4/heimdal/lib/hcrypto/imath/imath.c NRCHECK(z != NULL); NRCHECK 1135 source4/heimdal/lib/hcrypto/imath/imath.c NRCHECK(a != NULL && b != NULL); NRCHECK 1146 source4/heimdal/lib/hcrypto/imath/imath.c NRCHECK(z != NULL);