Variable Arguments

• A very useful example:

  #include <stdarg.h>
  
  void Abort( char *fmt, ... )
  {
  va_list args;
  va_start( args, fmt );
  fprintf( stderr, "\n\t" );
  vfprintf( stderr, fmt, args );
  fprintf( stderr, "\n\n" );
  va_end( args );
  exit( -1 );
  }

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