Mmain	main.c	/^main(argc, argv)$/
calc_area	msurements.c	/^calc_area(x1, y1, x2, y2) $/
draw_line	draw_line.c	/^draw_line(screen_x,screen_y,cur_screen_x,cur_scree/
measurements	msurements.c	/^measurements(color1,color2)$/
print_en	msurements.c	/^print_en(e,n)$/
print_length	msurements.c	/^print_length(length)$/
