f_sub 133 complex.c f_sub(VALUE x, VALUE y) f_sub 33 ext/date/date_core.c #define f_sub(x,y) rb_funcall(x, '-', 1, y) f_sub 16 ext/date/date_parse.c #define f_sub(x,y) rb_funcall(x, '-', 1, y) f_sub 40 ext/date/date_strptime.c #define f_sub(x,y) rb_funcall(x, '-', 1, y) f_sub 128 rational.c f_sub(VALUE x, VALUE y)