rb_big_resize    3016 bignum.c           rb_big_resize(x, BIGNUM_LEN(x)+1);
rb_big_resize    3077 bignum.c       	rb_big_resize(x, len+1);
rb_big_resize    3122 bignum.c           rb_big_resize(x, n);
rb_big_resize      99 include/ruby/intern.h void rb_big_resize(VALUE big, size_t len);