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- /*
- Common Defines
- */
- #define false 0
- #define true 1
- #define FREAD 0
- #define FWRITE 1
- #define FRDWR 2
- #define NWFIL 0
-
- /* Composer special Keys */
- #define QL 0x12
- #define QR 0x1c
- #define QC 0x1d
-
- #define DH 0x07
- #define sDH 0x14
- #define sHY 0x0b
-
- #define Rf 0x0c
- #define cr 0x0d
- #define lf 0x0a
- #define srt 0x0f
- #define hrt 0x1f
-
- #define Mdsh 0xf0
- #define Ndsh 0xf7
-
- #define TSP 0xfc
- #define NSP 0xfd
- #define MSP 0xfe
-
- #define STAG 0xf9
- #define ETAG 0xf8
- #define PTAG 0xdf
-
- /* Composer Tag pointers */
- #define num_tags 6 /* total number of tags */
- #define COMP 0 /* Cptarget mark tag */
- #define OVSP 1 /* Overset mark tag */
- #define NLTP 2 /* -Lts Rge mark tag */
- #define PRFP 3 /* Pref Rge mark tag */
- #define PRFS 4 /* Pref Spc mark tag */
- #define CPBK 5 /* Cmpbreak mark tag */
-
- /* Text Window Tag pters */
- #define mrk_base 0 /* user marks: A,B,C,D */
- #define WWRP 4 /* screen word wrap tag */
- #define TMP1 5 /* temporary tag 1 */
- #define TMP2 6 /* temporary tag 2 */
- #define TMP3 7 /* temporary tag 3 */
- #define TMP4 8 /* temporary tag 4 */
- #define HMRK 9 /* block mark start tag */
- #define top_line 10 /* top window line tag */
- int wdw_tags; /* total number of tags */
-
- /* Text Positions */
- #define top_row 0 /* top row in window */
- #define wdw_cols 75 /* # columns fixed... */
- char wdw_rows; /* # rows set by screen */
- struct {
- char mrow, mcol; /* window Maximn RowCol */
- char row, col; /* window cursor RowCol */
- } current;
-
- /* Buffer pointers */
- unsigned char *buf_ptr[num_tags]; /* compos tag array */
- unsigned char **wdw_ptr; /* window tag array */
- unsigned char *buf_start, *buf_end; /* buffer delimiters */
- unsigned char *current_char; /* first char in the 2nd buffer */
- unsigned char *free_start; /* first char in the free area */
-
- /* Externals to avoid type conflicts */
- extern unsigned long free_space();
-
- /* BackEnd Defines */
- #define OFF 0
- #define ON 1
- #define IC 0xc0
- #define SPC 0xc1
- #define CMDCH 0xc2
-