/* skel.h - From Jon C. Snader: Effective TCP/IP Programming
 *          Addison-Wesley 2000
 *          For better understanding, read the excellent Snader book.
 */


#ifndef __SKEL_H__
#define __SKEL_H__

/* UNIX version */

#define INIT()	 ( program_name = \
		   strrchr( argv[ 0 ], '/' ) ) ? \
		  program_name++ : \
		  ( program_name = argv[ 0 ] )
    /* program_name is of type "char *". It is set to argv[0]
       if argv[0] consists of just a filename. If instead argv[0]
       denotes a path, program_name is just the file name that
       follows the rightmost "/"
     */
#define EXIT(s)	       exit( s )
#define CLOSE(s)       if ( close( s ) ) error( 1, errno, \
				 "close failed" )
#define set_errno(e)   errno = ( e )
#define isvalidsock(s) ( ( s ) >= 0 )

typedef int SOCKET;

#endif  /* __SKEL_H__ */