int set_monitor( char *interface, int fd_raw )
{
    int pid, status;
    struct iwreq wrq;

	if( strcmp(interface,"prism0") == 0 )
	{
		if( ( pid = fork() ) == 0 )
		{
			close( 0 ); close( 1 ); close( 2 ); chdir( "/" );
			execlp( "wl", "wl", "monitor", "1", NULL);
			exit( 1 );
		}
		waitpid( pid, &status, 0 );
		if( WIFEXITED(status) )
			return( WEXITSTATUS(status) );
		return( 1 );		
	}
	else
	{
		if( G.is_wlanng )
		{
			if( ( pid = fork() ) == 0 )
			{
				close( 0 ); close( 1 ); close( 2 ); chdir( "/" );
				execlp( "wlanctl-ng", "wlanctl-ng", interface,
						"lnxreq_wlansniff", "enable=true",
						"prismheader=true", "wlanheader=false",
						"stripfcs=true", "keepwepflags=true", NULL );
				exit( 1 );
			}

			waitpid( pid, &status, 0 );

			if( WIFEXITED(status) )
				return( WEXITSTATUS(status) );
			return( 1 );
		}

		memset( &wrq, 0, sizeof( struct iwreq ) );
		strncpy( wrq.ifr_name, interface, IFNAMSIZ );
		wrq.u.mode = IW_MODE_MONITOR;

		if( ioctl( fd_raw, SIOCSIWMODE, &wrq ) < 0 )
		{
			perror( "ioctl(SIOCSIWMODE) failed" );
			return( 1 );
		}
	
	}
	
	/* Check later if it's really usefull to set channel here */
	
	set_channel( interface, fd_raw, (G.channel == 0 ) ? 10 : G.channel);
	
    return( 0 );
}