void uline (xfrom, yfrom, xto, yto, newcurve) LINES.C Level 3
 
float xfrom The starting x location in user units.
float yfrom The starting y location in user units.
float xto The ending x location in user units.
float yto The ending y location in user units.
int newcurve = 0 if this line is a continuation of a curve.
= 1 if this line begins a new curve.
= 2 if this line ends a curve.
= 3 if this is an isolated line segment.
 
uline() is the same as line() except that all coordinates are scaled in user units.