+static const char sopts[] = "c:VH";
+static const struct option lopts[] = {
+ { "colourseq", 1, NULL, 'c' },
+ { "version", 0, NULL, 'V' },
+ { "help", 0, NULL, 'H' },
+ { 0 }
+};
+
+#define PASTE(a, b) a ## b
+#define INDIR(a) a
+
+#define S8TO16(x) ((x) * 0xfffful / 0xff)
+
+#define RGB8_(r, g, b) { \
+ 0xff000000 | (r << 16) | (g << 8) | b, \
+ S8TO16(r), S8TO16(g), S8TO16(b) }
+
+#define RGB8(r, g, b) RGB8_(0x ## r ## ul, 0x ## g ## ul, 0x ## b ## ul)
+
+#define COLOURTAB(n) { \
+ INDIR(RGB8 PASTE(COLOUR ## n, _PRIMARY_RGB_)), \
+ INDIR(RGB8 PASTE(COLOUR ## n, _DARK_RGB_)), \
+ INDIR(RGB8 PASTE(COLOUR ## n, _LIGHT_RGB_)) }
+
+static const XColor colours[7][3] = {
+ {
+ { 0xffff0000, 0xffff },
+ { 0xff00ff00, 0, 0xffff },
+ { 0xff0000ff, 0, 0, 0xffff }
+ },
+ COLOURTAB(0), COLOURTAB(1), COLOURTAB(2),
+ COLOURTAB(3), COLOURTAB(4), COLOURTAB(5)
+};