diff --git a/usr.sbin/nscd/debug.c b/usr.sbin/nscd/debug.c
index 997590c66503..90d1c11f6d93 100644
--- a/usr.sbin/nscd/debug.c
+++ b/usr.sbin/nscd/debug.c
@@ -35,7 +35,7 @@ static	int	trace_level = 0;
 static	int	trace_level_bk = 0;
 
 void
-__trace_in(const char *s, const char *f, int l)
+nscd_trace_in(const char *s, const char *f, int l)
 {
 	int i;
 	if (trace_level < TRACE_WANTED)
@@ -50,7 +50,7 @@ __trace_in(const char *s, const char *f, int l)
 }
 
 void
-__trace_point(const char *f, int l)
+nscd_trace_point(const char *f, int l)
 {
 	int i;
 
@@ -64,7 +64,7 @@ __trace_point(const char *f, int l)
 }
 
 void
-__trace_msg(const char *msg, const char *f, int l)
+nscd_trace_msg(const char *msg, const char *f, int l)
 {
 	int i;
 
@@ -78,7 +78,7 @@ __trace_msg(const char *msg, const char *f, int l)
 }
 
 void
-__trace_ptr(const char *desc, const void *p, const char *f, int l)
+nscd_trace_ptr(const char *desc, const void *p, const char *f, int l)
 {
 	int i;
 
@@ -92,7 +92,7 @@ __trace_ptr(const char *desc, const void *p, const char *f, int l)
 }
 
 void
-__trace_int(const char *desc, int i, const char *f, int l)
+nscd_trace_int(const char *desc, int i, const char *f, int l)
 {
 	int j;
 
@@ -106,7 +106,7 @@ __trace_int(const char *desc, int i, const char *f, int l)
 }
 
 void
-__trace_str(const char *desc, const char *s, const char *f, int l)
+nscd_trace_str(const char *desc, const char *s, const char *f, int l)
 {
 	int i;
 
@@ -120,7 +120,7 @@ __trace_str(const char *desc, const char *s, const char *f, int l)
 }
 
 void
-__trace_out(const char *s, const char *f, int l)
+nscd_trace_out(const char *s, const char *f, int l)
 {
 	int i;
 
@@ -135,14 +135,14 @@ __trace_out(const char *s, const char *f, int l)
 }
 
 void
-__trace_on(void)
+nscd_trace_on(void)
 {
 	trace_level = trace_level_bk;
 	trace_level_bk = 0;
 }
 
 void
-__trace_off(void)
+nscd_trace_off(void)
 {
 	trace_level_bk = trace_level;
 	trace_level = 1024;
diff --git a/usr.sbin/nscd/debug.h b/usr.sbin/nscd/debug.h
index 91649e640064..3ee8e2c7ed34 100644
--- a/usr.sbin/nscd/debug.h
+++ b/usr.sbin/nscd/debug.h
@@ -33,35 +33,35 @@
 
 /* #ifndef NDEBUG */
 #if 0
-#define TRACE_IN(x)	__trace_in(#x, __FILE__, __LINE__)
-#define TRACE_POINT()	__trace_point(__FILE__, __LINE__)
-#define TRACE_MSG(x)	__trace_msg(x, __FILE__, __LINE__)
-#define TRACE_PTR(p)	__trace_ptr(#p, p, __FILE__, __LINE__)
-#define TRACE_INT(i)	__trace_int(#i, i, __FILE__, __LINE__)
-#define TRACE_STR(s)	__trace_str(#s, s, __FILE__, __LINE__)
-#define TRACE_OUT(x)	__trace_out(#x, __FILE__, __LINE__)
-#define TRACE_ON()	__trace_on()
-#define TRACE_OFF()	__trace_off()
+#define TRACE_IN(x)	nscd_trace_in(#x, __FILE__, __LINE__)
+#define TRACE_POINT()	nscd_trace_point(__FILE__, __LINE__)
+#define TRACE_MSG(x)	nscd_trace_msg(x, __FILE__, __LINE__)
+#define TRACE_PTR(p)	nscd_trace_ptr(#p, p, __FILE__, __LINE__)
+#define TRACE_INT(i)	nscd_trace_int(#i, i, __FILE__, __LINE__)
+#define TRACE_STR(s)	nscd_trace_str(#s, s, __FILE__, __LINE__)
+#define TRACE_OUT(x)	nscd_trace_out(#x, __FILE__, __LINE__)
+#define TRACE_ON()	nscd_trace_on()
+#define TRACE_OFF()	nscd_trace_off()
 #else
-#define TRACE_IN(x)
-#define TRACE_POINT()
-#define TRACE_MSG(x)
-#define TRACE_PTR(p)
-#define TRACE_INT(i)
-#define TRACE_STR(s)
-#define TRACE_OUT(x)
-#define TRACE_ON()
-#define TRACE_OFF()
+#define TRACE_IN(x)	(void)0
+#define TRACE_POINT()	(void)0
+#define TRACE_MSG(x)	(void)0
+#define TRACE_PTR(p)	(void)0
+#define TRACE_INT(i)	(void)0
+#define TRACE_STR(s)	(void)0
+#define TRACE_OUT(x)	(void)0
+#define TRACE_ON()	(void)0
+#define TRACE_OFF()	(void)0
 #endif
 
-extern void __trace_in(const char *, const char *, int);
-extern void __trace_point(const char *, int);
-extern void __trace_msg(const char *, const char *, int);
-extern void __trace_ptr(const char *, const void *, const char *, int);
-extern void __trace_int(const char *, int, const char *, int);
-extern void __trace_str(const char *, const char *, const char *, int);
-extern void __trace_out(const char *, const char *, int);
-extern void __trace_on(void);
-extern void __trace_off(void);
+extern void nscd_trace_in(const char *, const char *, int);
+extern void nscd_trace_point(const char *, int);
+extern void nscd_trace_msg(const char *, const char *, int);
+extern void nscd_trace_ptr(const char *, const void *, const char *, int);
+extern void nscd_trace_int(const char *, int, const char *, int);
+extern void nscd_trace_str(const char *, const char *, const char *, int);
+extern void nscd_trace_out(const char *, const char *, int);
+extern void nscd_trace_on(void);
+extern void nscd_trace_off(void);
 
 #endif