0 1 Tutorial Introduction 0 2 Language Reference 0 3 Language Reference 0 4 Running C 0 5 Standard feature definitions 1 5.1 Points 1 5.2 Lines 1 5.3 Labels 1 5.4 Boxes 2 5.4.1 box 2 5.4.2 labelbox 2 5.4.3 ellipse 2 5.4.4 oval 0 6 Standard Drawing Libraries 1 6.1 PostScript Output 1 6.2 Bitmap Output 1 6.3 ASCII-Art Output 0 7 Implementing Drawing Libraries