=== Código : ================================================================================================================

if (s_bl->type == BL_PC && t_bl->type == BL_PC) {
 struct map_session_data *sd = BL_CAST(BL_PC, s_bl), *tsd = BL_CAST(BL_PC, t_bl);
 if(map_getcell(sd->bl.m, sd->bl.x, sd->bl.y, CELL_CHKPK) && map_getcell(tsd->bl.m, tsd->bl.x, tsd->bl.y, CELL_CHKPK))
    state |= BCT_ENEMY;
}

=== Bug : ===================================================================================================================

c:\users\mihael\desktop\brathena-master\src\map\battle.c(6806): warning C4013: 'map_getcell' undefined; assuming extern returning int

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