vrs.c

一个很好的unix网络编程框架

#include "etcp.h"

int main( int argc, char **argv )
{
	struct sockaddr_in peer;
	SOCKET s;
	SOCKET s1;
	int peerlen = sizeof( peer );
	int n;
	char buf[ 10 ];

	INIT();
	if ( argc == 2 )
		s = tcp_server( NULL, argv[ 1 ] );
	else
		s = tcp_server( argv[ 1 ], argv[ 2 ] );
	s1 = accept( s, ( struct sockaddr * )&peer, &peerlen );
	if ( !isvalidsock( s1 ) )
		error( 1, errno, "accept failed" );
	for ( ;; )
	{
		n = readvrec( s1, buf, sizeof( buf ) );
		if ( n < 0 )
			error( 0, errno, "readvrec returned error" );
		else if ( n == 0 )
			error( 1, 0, "client disconnected\n" );
		else
			write( 1, buf, n );
	}
	EXIT( 0 );		/* not reached */
}