#ifdef->#if.

cl_dll/hl/hl_weapons.cpp

@@ -915,7 +915,7 @@ void _DLLEXPORT HUD_PostRunCmd( struct local_state_s *from, struct local_state_s
 {
 	g_runfuncs = runfuncs;
 
-#if defined( CLIENT_WEAPONS )
+#if CLIENT_WEAPONS
 	if( cl_lw && cl_lw->value )
 	{
 		HUD_WeaponsPostThink( from, to, cmd, time, random_seed );

dlls/weapons.cpp

@@ -328,7 +328,7 @@ void W_Precache( void )
 	UTIL_PrecacheOtherWeapon( "weapon_xs" );
 	UTIL_PrecacheOther( "ammo_xencandy" );
 
-#if !defined( OEM_BUILD ) && !defined( HLDEMO_BUILD )
+#if !OEM_BUILD && !HLDEMO_BUILD
 	if( g_pGameRules->IsDeathmatch() )
 	{
 		UTIL_PrecacheOther( "weaponbox" );// container for dropped deathmatch weapons

dlls/weapons.h

@@ -515,7 +515,7 @@ public:
 class CCrossbow : public CBasePlayerWeapon
 {
 public:
-#ifndef CLIENT_DLL
+#if !CLIENT_DLL
 	int	Save( CSave &save );
 	int	Restore( CRestore &restore );
 	static	TYPEDESCRIPTION m_SaveData[];
@@ -770,7 +770,7 @@ public:
 
 	virtual BOOL UseDecrement( void )
 	{
-#if defined( CLIENT_WEAPONS )
+#if CLIENT_WEAPONS
 		return TRUE;
 #else
 		return FALSE;