3 files changed, 3 insertions, 0 deletions
diff --git a/src/graph/view2D/control2d.c b/src/graph/view2D/control2d.c
index 8e3b82ad..eb9249b9 100644
--- a/src/graph/view2D/control2d.c
+++ b/src/graph/view2D/control2d.c
@@ -50,6 +50,7 @@
 #include "Gfun.H1"
 #include "XSpadFill.H1"
 #include "util.H1"
+#include "cfuns.h"
 
 
 #include "mouse11.bitmap"
diff --git a/src/graph/view2D/main2d.c b/src/graph/view2D/main2d.c
index beb6e602..c5fe7070 100644
--- a/src/graph/view2D/main2d.c
+++ b/src/graph/view2D/main2d.c
@@ -49,6 +49,7 @@
 #include "Gfun.H1"
 #include "util.H1"
 #include "XSpadFill.H1"
+#include "cfuns.h"
 
 
 /**********************/
diff --git a/src/graph/view2D/process2d.c b/src/graph/view2D/process2d.c
index e85d7721..ee21886f 100644
--- a/src/graph/view2D/process2d.c
+++ b/src/graph/view2D/process2d.c
@@ -52,6 +52,7 @@
 #include "util.H1"
 #include "Gfun.H1"
 #include "XSpadFill.H1"
+#include "cfuns.h"
 
 
 static int doit=0;  /* globish variable for picking/dropping/clearing - all sorts of