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- /*
- * vi configuration file
- * We try to automatically configure to various compilers and operating
- * systems. Extend the autoconf section as needed.
- */
-
- /*************************** autoconf section ************************/
-
- /* standard unix V (?) */
- #ifdef M_SYSV
- # define UNIXV 1
- #endif
-
- /* xelos system, University of Ulm */
- #ifdef xelos
- # define UNIXV 1
- #endif
-
- /* Microsoft C: sorry, Watcom does the same thing */
- #ifdef M_I86
- # ifndef M_SYSV
- # define MSDOS 1
- # define MICROSOFT 1
- # define COMPILED_BY "Microsoft C 5.10"
- # endif
- #endif
-
- /* Borlands Turbo C */
- #ifdef __TURBOC__
- # define MSDOS 1
- # define TURBOC 1
- # define COMPILED_BY "Turbo C 2.00"
- #endif
-
- /* Tos Mark-Williams */
- #ifdef M68000
- # define TOS 1
- # define COMPILED_BY "Mark Williams C"
- #endif
-
- /* OS-9 requires an explicit "-DOS9" in CFLAGS */
-
- /* TOS requires an explicit "-DTOS" in CFLAGS */
-
- /*************************** end of autoconf section ************************/
-
- /* All undefined symbols are defined to zero here, to allow for older */
- /* compilers which dont understand #if defined() or #if UNDEFINED_SYMBOL */
-
- /*************************** operating systems *****************************/
-
- #ifndef BSD
- # define BSD 0 /* UNIX - Berkeley 4.x */
- #endif
-
- #ifndef UNIXV
- # define UNIXV 0 /* UNIX - AT&T SYSV */
- #endif
-
- #ifndef UNIX7
- # define UNIX7 0 /* UNIX - version 7 */
- #endif
-
- #ifndef MSDOS
- # define MSDOS 0 /* PC */
- #endif
-
- #ifndef TOS
- # define TOS 0 /* Atari ST */
- #endif
-
- #ifndef AMIGA
- # define AMIGA 0 /* Commodore Amiga */
- #endif
-
- #ifndef OS9
- # define OS9 0 /* OS-9 / 68k */
- #endif
-
- /* Minix has no predefines */
- #if !BSD && !UNIXV && !UNIX7 && !MSDOS && !TOS && !AMIGA && !OS9
- # define MINIX 1
- #else
- # define MINIX 0
- #endif
-
- /* generic combination of Unices */
- #if UNIXV || UNIX7 || BSD || MINIX
- # define ANY_UNIX 1
- #else
- # define ANY_UNIX 0
- #endif
-
- /*************************** compilers **************************************/
-
- #ifndef MICROSOFT
- # define MICROSOFT 0
- #endif
-
- #ifndef TURBOC
- # define TURBOC 0
- #endif
-
- /******************************* Credit ************************************/
-
- #if MSDOS
- # define CREDIT "Ported to MS-DOS by Guntram Blohm & Martin Patzel"
- #endif
-
- #if TOS
- # define CREDIT "Ported to Atari/TOS by Guntram Blohm & Martin Patzel"
- #endif
-
- /*************************** functions depending on OS *********************/
-
- /* Only MSDOS and TOS need a special function for reading from the keyboard.
- * All others just read from file descriptor 0.
- */
- #if !MSDOS && !TOS
- # define ttyread(buf, len) read(0, buf, len) /* raw read */
- #endif
- #if !TOS
- # define ttywrite(buf, len) write(1, buf, len) /* raw write */
- #endif
-
- /* The strchr() function is an official standard now, so everybody has it
- * except Unix version 7 (which is old) and BSD Unix (which is academic).
- * Those guys use something called index() to do the same thing.
- */
- #if BSD || UNIX7 || MINIX
- # define strchr index
- #endif
-
- /* BSD uses bcopy() instead of memcpy() */
- #if BSD
- #define memcpy(dest, src, siz) bcopy(src, dest, siz)
- #endif
-
- /* text versa binary mode for read/write */
- #if !TOS
- #define tread read
- #define twrite write
- #endif
-
- /**************************** Compiler quirks *********************************/
-
- /* The Microsoft Xenix cross compiler for DOS doesn't support "volatile" */
- #if MICROSOFT
- # define volatile
- #endif
-
- /* the UNIX version 7, OS-9, and (some) TOS compilers, don't allow "void" */
- #if UNIX7 || TOS || OS9
- # define void int
- #endif
-
- /* In OS9, argv[0] never changes */
- #if OS9
- # define NO_ARGV0
- #endif
-
- /* as far as I know, all compilers except version 7 support unsigned char */
- /* NEWFLASH: the Minix-ST compiler has subtle problems with unsigned char */
- #if UNIX7 || MINIX
- # define UCHAR(c) ((c) & 0xff)
- #else
- # define UCHAR(c) ((unsigned char)(c))
- #endif
-
- /* Some compilers prefer to have malloc declared as returning a (void *) */
- #if BSD
- extern void *malloc();
- #else
- extern char *malloc();
- #endif
-
- /******************* Names of files and environment vars **********************/
-
- #if ANY_UNIX
- # define TMPDIR "/usr/tmp" /* directory where temp files live */
- # define TMPNAME "%s/elvt%04x%03x" /* temp file */
- # define CUTNAME "%s/elvc%04x%03x" /* cut buffer's temp file */
- # define EXRC ".exrc" /* init file in current directory */
- # define KEYWORDPRG "/usr/bin/ref" /* keyword "help" program */
- # define SCRATCHOUT "%s/soXXXXXX" /* temp file used as input to filter */
- # define SLASH '/'
- # define EXINIT "EXINIT"
- #endif
-
- #if MSDOS || TOS
- /* do not change TMPNAME, CUTNAME and SCRATCH*: they MUST begin with '%s\\'! */
- # define TMPDIR "C:\\tmp" /* directory where temp files live */
- # define TMPNAME "%s\\elvt%04x.%03x" /* temp file */
- # define CUTNAME "%s\\elvc%04x.%03x" /* cut buffer's temp file */
- # define EXRC "elvis.rc" /* init file in current directory */
- # if TOS
- # define KEYWORDPRG "ref.ttp" /* keyword "help" program */
- # else
- # define KEYWORDPRG "ref.exe" /* keyword "help" program */
- # endif
- # define SCRATCHIN "%s\\siXXXXXX" /* DOS ONLY - output of filter program */
- # define SCRATCHOUT "%s\\soXXXXXX" /* temp file used as input to filter */
- # define SLASH '\\'
- #endif
-
- #if OS9
- # define TMPDIR "/dd/tmp" /* directory where temp files live */
- # define TMPNAME "%s/elvt%04x%03x" /* temp file */
- # define CUTNAME "%s/elvc%04x%03x" /* cut buffer's temp file */
- # define EXRC ".exrc" /* init file in current directory */
- # define KEYWORDPRG "/dd/cmds/ref" /* keyword "help" program */
- # define SCRATCHOUT "%s/soXXXXXX" /* temp file used as input to filter */
- # define SLASH '/'
- # define EXINIT "EXINIT"
- #endif
-
- #ifndef TAGS
- # define TAGS "tags" /* tags file */
- #endif
-
- #ifndef TMPNAME
- # define TMPNAME "%s/elvt%04x.%03x" /* temp file */
- #endif
-
- #ifndef CUTNAME
- # define CUTNAME "%s/elvc%04x.%03x" /* cut buffer's temp file */
- #endif
-
- #ifndef EXRC
- # define EXRC "elvis.rc"
- #endif
-
- #ifndef HMEXRC
- # if !MSDOS && !TOS
- # define HMEXRC EXRC
- # endif
- #endif
-
- #ifndef KEYWORDPRG
- # define KEYWORDPRG "ref"
- #endif
-
- #ifndef SCRATCHOUT
- # define SCRATCHIN "%s/SIXXXXXX"
- # define SCRATCHOUT "%s/SOXXXXXX"
- #endif
-
- #ifndef SLASH
- # define SLASH '/'
- #endif
-