static floatish *py; /* previous y values */
static void Curve PROTO((struct entry *)); /* forward */
-static void ShadeCurve(); /* forward */
+static void ShadeCurve
+ PROTO((floatish *x, floatish *y, floatish *py, floatish shade));
void
Curves()
fprintf(psfp, "gsave\n");
- fprintf(psfp, "%f setgray\n", shade);
+ SetPSColour(shade);
fprintf(psfp, "fill\n");
fprintf(psfp, "grestore\n");