RB_FIX2ULONG      355 include/ruby/ruby.h     return RB_FIX2ULONG(x);
RB_FIX2ULONG      362 include/ruby/ruby.h #define FIX2ULONG(x) RB_FIX2ULONG(x)
RB_FIX2ULONG      641 include/ruby/ruby.h 	return RB_FIX2ULONG(x);
RB_FIX2ULONG      670 include/ruby/ruby.h #define RB_FIX2UINT(x) ((unsigned int)RB_FIX2ULONG(x))