Source:Bitmfile.h

Below is the full text to include/bitmfile.h from NetHack 3.4.3. To link to a particular line, write [[bitmfile.h#line123]], for example.

1.    /****************************\
2.    * Bitmap mit Farbtabelle als *
3.    * Graphik-Datei speichern		 *
4.    * Autor: Gabriel Schmidt		 *
5.    * (c} 1992 by MAXON-Computer *
6.    * -> Header-Datei						 *
7.    \****************************/
8.    
9.    #ifndef H_TO_FILE
10.   #define H_TO_FILE
11.   
12.   /*	#include <portab.h>	*/
13.   #define UWORD unsigned short
14.   #define ULONG unsigned long
15.   #define UBYTE unsigned char
16.   
17.   #define XIMG_MAGIC	0x58494D47
18.   
19.   
20.   typedef enum { IMG, XIMG } FILE_TYP;
21.   
22.   const char *get_file_ext(FILE_TYP typ);
23.   
24.   struct RGB
25.   	{
26.   	UWORD r, g, b;
27.   	};
28.   
29.   int bitmap_to_file(FILE_TYP typ, int ww, int wh,
30.   									 unsigned int pwx, unsigned int pwy,
31.   									 unsigned int planes, unsigned int colors,
32.   									 const char *filename,
33.   									 void (*get_color) (unsigned int colind, struct RGB *rgb) ,
34.   									 void (*get_pixel) (int x, int y, unsigned int *colind) ) ;
35.   
36.   #endif
37.