Index: src/color.c
--- src/color.c.orig	2015-04-16 07:11:21.000000000 +0200
+++ src/color.c	2016-01-08 20:02:57.435582211 +0100
@@ -62,7 +62,7 @@
 
 
 void
-init_color()
+gnuplot_init_color()
 {
   /* initialize global palette */
   sm_palette.colorFormulae = 37;  /* const */
Index: src/color.h
--- src/color.h.orig	2013-10-22 00:31:59.000000000 +0200
+++ src/color.h	2016-01-08 20:02:57.435582211 +0100
@@ -217,7 +217,7 @@
 /* ROUTINES */
 
 
-void init_color __PROTO((void));  /* call once to initialize variables */
+void gnuplot_init_color __PROTO((void));  /* call once to initialize variables */
 
 
 /*
Index: src/set.c
--- src/set.c.orig	2016-01-01 05:13:24.000000000 +0100
+++ src/set.c	2016-01-08 20:02:57.445605622 +0100
@@ -3149,7 +3149,7 @@
     free_at(sm_palette.Afunc.at);
     free_at(sm_palette.Bfunc.at);
     free_at(sm_palette.Cfunc.at);
-    init_color();
+    gnuplot_init_color();
     pm3d_last_set_palette_mode = SMPAL_COLOR_MODE_NONE;
 }