rb_big_plus      2675 bignum.c           rb_define_method(rb_cBignum, "+", rb_big_plus, 1);
rb_big_plus       109 include/ruby/intern.h VALUE rb_big_plus(VALUE, VALUE);
rb_big_plus      2085 numeric.c      	return rb_big_plus(y, x);
rb_big_plus      2047 pack.c         			    big = rb_big_plus(big, rb_uint2big(*s & 0x7f));