#define LOCAL static
#define IMPORT extern
#define FAST register
#define WORD int
#define UWORD int
#define ULONG long
#define UTINY unsigned char

#define OUT_OF_MEMORY -10
#define BAD_CODE_SIZE -20
#define READ_ERROR -1
#define WRITE_ERROR -2
#define OPEN_ERROR -3
#define CREATE_ERROR -4

#define MAX_CODES   4095

#define TRUE 1
#define FALSE 0

#define PR_OUT 0
#define LPT1 0
#define LPT2 1

#ifndef min
#define min(a,b)        ((a>b) ? b : a)
#endif

#define BITS    12
#define MSDOS   1

#define HSIZE  5003            /* 80% occupancy */

#ifdef NO_UCHAR
 typedef char   char_type;
#else
 typedef        unsigned char   char_type;
#endif /* UCHAR */

#define ARGVAL() (*++(*argv) || (--argc && *++argv))

#ifdef COMPATIBLE               /* But wrong! */
# define MAXCODE(n_bits)        ((code_int) 1 << (n_bits) - 1)
#else
# define MAXCODE(n_bits)        (((code_int) 1 << (n_bits)) - 1)
#endif /* COMPATIBLE */

#define HashTabOf(i)       htab[i]
#define CodeTabOf(i)    codetab[i]

#define tab_prefixof(i) 		 CodeTabOf(i)
#define tab_suffixof(i)        ((char_type *)(htab))[i]
#define de_stack               ((char_type *)&tab_suffixof((code_int)1<<BITS))

#define test_exit 	if (kbhit()) if(getch() == 27) {closegraph();  printf("Program terminated by user\n"); exit(1);}

typedef int	(* ifunptr)();
typedef int    code_int;

#ifdef SIGNED_COMPARE_SLOW
	typedef unsigned long int 		count_int;
	typedef unsigned short int 	count_short;
#else
	typedef long int          		count_int;
#endif

/* 												*/
/* Function prototypes						*/
/* 												*/

void				error(char *, ...);
void 				open_targa_file(char *, unsigned int, unsigned int);
void 				write_targa_line(unsigned int);
unsigned int 	get_value();
void				read_data_line(int);
void 				gen_rds_line(int);
void				add_index(int);
int 				get_pix(int, int);
void 				read_header_data(unsigned *, unsigned *);
void				add_line(int, int);
void				beep();
void				showparms();
void 				TGAEncode(char *, int, int);
int				GIFNextPixel(ifunptr);
void				GIFEncode(char *,int, int, int, int, int, int [], int [], int [], ifunptr);
void				Putword(int w, FILE *fp );
void 				output(code_int code );
void				cl_block();
void				cl_hash(register count_int hsize);
void				writeerr();
void				char_init();
void				char_out(int c );
void				flush_char();
int				ialloc_gif_stacks();
void 				ifree_gif_stacks();
int 				iinit_gif_idecoder();
int 				idecode_gif();
int				iget_byte();
int				iget_next_code();
void 				read_background_header(unsigned *, unsigned *);
int				balloc_gif_stacks();
void 				bfree_gif_stacks();
int 				binit_gif_idecoder();
int 				bdecode_gif();
int				bget_byte();
int				bget_next_code();
unsigned int	bget_map();
void				printout();
void				epsonout();
void				hewlettout();