// find this in player.cpp
// either replace it or rename it

CBaseEntity *FindEntityForward( CBaseEntity *pMe )
{
	TraceResult tr;

	UTIL_MakeVectors(pMe->pev->v_angle);
	UTIL_TraceLine(pMe->pev->origin + pMe->pev->view_ofs,pMe->pev->origin + pMe->pev->view_ofs + gpGlobals->v_forward * 2048,dont_ignore_monsters, pMe->edict(), &tr );
	if ( tr.flFraction != 1.0 && !FNullEnt( tr.pHit) )
	{
		CBaseEntity *pHit = CBaseEntity::Instance( tr.pHit );
		if (pHit->IsPlayer())
		{
			if (pHit->IsAlive())
			{
				return pHit;
			}
			else
				return NULL;
		}
		else
			return NULL;
	}
	return NULL;
}

in player.cpp PreThink():

	if (m_flNextTargetId <= gpGlobals->time)
	{
		CBaseEntity *plr = FindEntityForward(this);
		if (plr)
		{
			ClientPrint(pev, HUD_PRINTTALK, UTIL_VarArgs("<%s|%d|%d>\n", STRING(plr->pev->netname), (int)plr->pev->health, (int)plr->pev->armorvalue));
		}

		m_flNextTargetId = gpGlobals->time + 0.5;
	}
spawn:
	m_flNextTargetId = gpGlobals->time + 0.5;

Add in player.h

float m_flNextTargetId;