PS_setgray — Sets gray value

       This manual page was written by Uwe Steinmann uwe@steinmann.cx.

                                                                                                   PS_SETGRAY(3)

       Sets  the  gray  value  for  all  following drawing operations. The value must be between 0 (black) and 1
       (white).

       PS_setgray — Sets gray value

PS_setcolor(3)

       #include <pslib.h>

       void PS_setgray(PSDoc *psdoc, float gray)