#include "tcp.h"
char *program_name;
/* error - drukuj komunikat i zakończ pracę */
void error( int status, int err, char *fmt, ... )
{
	va_list ap;

	va_start( ap, fmt );
	fprintf( stderr, "%s: ", program_name );
	vfprintf( stderr, fmt, ap );
	va_end( ap );
	if ( err )
		fprintf( stderr, ": %s (%d)\n", strerror( err ), err );
	if ( status )
		exit( status );
}