diff -ur mwavem-2.0.orig/src/include/mwmparsi.h mwavem-2.0/src/include/mwmparsi.h
--- mwavem-2.0.orig/src/include/mwmparsi.h	2001-05-04 22:28:52.000000000 +0300
+++ mwavem-2.0/src/include/mwmparsi.h	2009-08-08 11:58:51.000000000 +0300
@@ -516,8 +516,8 @@
 
   
 #ifdef DEBUG
-   void    dprintf(char *szFormat, ...);
-   #define DPF  dprintf
+   void    mwavem_dprintf(char *szFormat, ...);
+   #define DPF  mwavem_dprintf
    
 #else
    #define DPF ((void)0)
diff -ur mwavem-2.0.orig/src/include/mwmspcfc.h mwavem-2.0/src/include/mwmspcfc.h
--- mwavem-2.0.orig/src/include/mwmspcfc.h	2001-05-04 22:28:52.000000000 +0300
+++ mwavem-2.0/src/include/mwmspcfc.h	2009-08-08 11:56:34.000000000 +0300
@@ -705,8 +705,8 @@
 void MWM_ENTRY mwmPostMessage(UINT uMsg, LONG wParam, LONG lParam); // @TBD
 
 #ifdef DEBUG
-   void    dprintf(char *szFormat, ...);
-   #define DPF  dprintf
+   void    mwavem_dprintf(char *szFormat, ...);
+   #define DPF  mwavem_dprintf
 #else
    #define DPF ((void)0)
 #endif
diff -ur mwavem-2.0.orig/src/mwmlw32/mwmload.c mwavem-2.0/src/mwmlw32/mwmload.c
--- mwavem-2.0.orig/src/mwmlw32/mwmload.c	2004-03-31 06:58:55.000000000 +0300
+++ mwavem-2.0/src/mwmlw32/mwmload.c	2009-08-08 11:56:50.000000000 +0300
@@ -72,7 +72,7 @@
 
 
 #define MODNAME "MWMODEM"
-void dprintf(char *szFormat, ...)
+void mwavem_dprintf(char *szFormat, ...)
 {
   /*if (usDebugWindow)
   {*/