FIX2ULONG         423 include/ruby/ruby.h #define FIX2UINT(x) ((unsigned int)FIX2ULONG(x))
FIX2ULONG        1657 numeric.c          num = FIX2ULONG(val);
FIX2ULONG         245 random.c               buf[0] = FIX2ULONG(seed) & 0xffffffff;
FIX2ULONG         247 random.c               buf[1] = FIX2ULONG(seed) >> 32;