void ps_line(t_psdata ps, real x1, real y1, real x2, real y2) { ps_moveto(ps, x1, y1); ps_lineto(ps, x2, y2); fprintf(ps->fp, "s\n"); }
void ps_line(FILE *ps,real x1,real y1,real x2,real y2) { ps_moveto(ps,x1,y1); ps_lineto(ps,x2,y2); fprintf(ps,"s\n"); }