int h1, double s1, double v1,
int h2, double s2, double v2,
int h3, double s3, double v3,
XColor *colors, int *ncolorsP,
Bool allocate_p,
int h1, double s1, double v1,
int h2, double s2, double v2,
int h3, double s3, double v3,
XColor *colors, int *ncolorsP,
Bool allocate_p,