Introduce a `shuffle' utility function.

[sgt-puzzles.git] / puzzles.h

diff --git a/puzzles.h b/puzzles.h
index e05a3e489daab83df7724877bae2bfd18a5be003..1c3ae591ed1535a7ab31ad4e7e7a5018c0621384 100644 (file)
--- a/puzzles.h
+++ b/puzzles.h
@@ -223,6 +223,9 @@ unsigned char *hex2bin(const char *in, int outlen);
 void game_mkhighlight(frontend *fe, float *ret,
                       int background, int highlight, int lowlight);
 
+/* Randomly shuffles an array of items. */
+void shuffle(void *array, int nelts, int eltsize, random_state *rs);
+
 /*
  * version.c
  */