use #pragma once

tools/quake3/common/bitflags.h

@@ -19,8 +19,7 @@
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#if !defined( INCLUDED_BITFLAGS_H )
-#define INCLUDED_BITFLAGS_H
+#pragma once
 
 #include <type_traits>
 
@@ -80,5 +79,3 @@ public:
 private:
 	T flags_ = 0;
 };
-
-#endif

tools/quake3/common/imagelib.h

@@ -21,6 +21,7 @@
 
 // piclib.h
 
+#pragma once
 
 void LoadLBM( const char *filename, byte **picture, byte **palette );
 void WriteLBMfile( const char *filename, byte *data, int width, int height

tools/quake3/common/md4.h

@@ -25,8 +25,7 @@
         Boston, MA  02111-1307, USA
  */
 
-#ifndef _MDFOUR_H
-#define _MDFOUR_H
+#pragma once
 
 #include <cstdint>
 
@@ -42,5 +41,3 @@ void mdfour( unsigned char *out, unsigned char *in, int n );
 
 unsigned Com_BlockChecksum( void *buffer, int length );
 void Com_BlockFullChecksum( void *buffer, int len, unsigned char *outbuf );
-
-#endif  // _MDFOUR_H

tools/quake3/common/mutex.h

@@ -19,6 +19,7 @@
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#pragma once
 
 
 typedef void *mutex_t;

tools/quake3/common/qthreads.h

@@ -19,6 +19,7 @@
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#pragma once
 
 extern int numthreads;
 

tools/quake3/common/unzip.h

@@ -19,6 +19,7 @@
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#pragma once
 
 #if defined( STRICTUNZIP ) || defined( STRICTZIPUNZIP )
 /* like the STRICT of WIN32, we define a pointer that cannot be converted

tools/quake3/q3map2/convert_obj.h

@@ -19,10 +19,7 @@
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#if !defined( INCLUDED_CONVERT_OBJ_H )
-#define INCLUDED_CONVERT_OBJ_H
+#pragma once
 
 int Convert_CountLightmaps( const char* dirname );
 void Convert_ReferenceLightmaps( const char* base, std::vector<int>& lmIndices );
-
-#endif

tools/quake3/q3map2/model.h

@@ -19,8 +19,7 @@
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#if !defined( INCLUDED_MODEL_H )
-#define INCLUDED_MODEL_H
+#pragma once
 
 #include <vector>
 #include <functional>
@@ -34,5 +33,3 @@ public:
 };
 
 std::vector<const AssMeshWalker*> LoadModelWalker( const char *name, int frame );
-
-#endif

tools/quake3/q3map2/q3map2.h

@@ -27,11 +27,7 @@
    ------------------------------------------------------------------------------- */
 
 
-
-/* marker */
-#ifndef Q3MAP2_H
-#define Q3MAP2_H
-
+#pragma once
 
 
 /* version */
@@ -2400,6 +2396,3 @@ Q_EXTERN std::vector<bspAdvertisement_t> bspAds;
 
 #define Image_LinearFloatFromsRGBFloat( c ) ( ( ( c ) <= 0.04045f ) ? ( c ) * ( 1.0f / 12.92f ) : (float)pow( ( ( c ) + 0.055f ) * ( 1.0f / 1.055f ), 2.4f ) )
 #define Image_sRGBFloatFromLinearFloat( c ) ( ( ( c ) < 0.0031308f ) ? ( c ) * 12.92f : 1.055f * (float)pow( ( c ), 1.0f / 2.4f ) - 0.055f )
-
-/* end marker */
-#endif