void fbox (boxon, size) FNTPLT.C Level 3
 
int boxon = 1 to box each string. 
= 0 to stop.
float size Space between the edge of the characters and the box in inches (or cm).
 
fbox() will put a box around each string until it is turned off. This can be useful for highlighting pieces of text. This routine should be used only for upright text.