-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-// ----------------------------------------------------------------------------
-// C++
-
-double arg( double _Complex x ) { /* TODO */ };
-float arg( float _Complex x ) { /* TODO */ };
-long double arg( long double _Complex x ) { /* TODO */ };
-float carg( float _Complex x ) { /* TODO */ };
-long double carg( long double _Complex x ) { /* TODO */ };
-
-// ----------------------------------------------------------------------------
-// Standard C
+/* ----------------------------------------------------------------------------
+ * $Id$
+ * ----------------------------------------------------------------------------
+ * Public Domain C Library - http://pdclib.sourceforge.net
+ * This code is Public Domain. Use, modify, and redistribute at will.
+ * --------------------------------------------------------------------------*/
double carg( double _Complex x ) { /* TODO */ };
float cargf( float _Complex x ) { /* TODO */ };