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📄 readpnm.h

📁 zgv-5.6,一个Linux系统下的图片浏览器(VGA/SVGA)
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/* Zgv v2.7 - GIF, JPEG and PBM/PGM/PPM viewer, for VGA PCs running Linux. * Copyright (C) 1993-1995 Russell Marks. See README for license details. * * readpnm.h */extern int read_pnm_file(char *filename,hffunc howfarfunc,unsigned char **bmap,                  unsigned char **pal,int *output_type,PICINFO *pp);extern int read_pnm_main(FILE *fp,hffunc howfarfunc,unsigned char **bmap,                  unsigned char **pal,int *output_type,PICINFO *pp,                  int (*closefunc)(FILE *));extern int read_xv332(char *filename, unsigned char **bmap,                      int *width, int *height);extern int ditherinit(int w);extern void ditherfinish(void);extern void ditherline(unsigned char *theline, int linenum, int width);extern int read_xv332(char *filename, unsigned char **bmap,                      int *width, int *height);extern void make_332_palette(unsigned char *palptr);extern void aborted_file_pnm_cleanup();

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