drawSomeThing(prameters..., void * screen) { graphlib_choose = 1; set "a1" = screen; ..... graphlib_line(.....); ..... graphlib_line(.....); ..... graphlib_fill(....); }
drawSomeThing(prameters..., void * screen) { graphlib_choose = 1 ..... set "a1" = screen;graphlib_line(.....); ..... set "a1" = screen;graphlib_line(.....); ..... set "a1" = screen;graphlib_fill(....); }