--- /dev/null
+// ----------------------------------------------------------------------------
+// $Id$
+// ----------------------------------------------------------------------------
+// Public Domain C Library - http://pdclib.sourceforge.net
+// This code is Public Domain. Use, modify, and redistribute at will.
+// ----------------------------------------------------------------------------
+
+// ----------------------------------------------------------------------------
+// C++
+
+double abs( double x ) { /* TODO */ };
+float abs( float x ) { /* TODO */ };
+long double abs( long double x ) { /* TODO */ };
+float fabs( float x ) { /* TODO */ };
+long double fabs( long double x ) { /* TODO */ };
+
+long abs( long i ) { /* TODO */ };
+long long abs( long long i ) { /* TODO */ };
+
+// ----------------------------------------------------------------------------
+// Standard C
+
+double fabs( double x ) { /* TODO */ };
+float fabsf( float x ) { /* TODO */ };
+long double fabsl( long double x ) { /* TODO */ };
+
+int abs( int i ) { /* TODO */ };
+long long llabs( long long i ) { /* TODO */ };
+long labs( long i ) { /* TODO */ };