84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
/* $Id$ */
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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#ifndef _STDIO_H
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#define _STDIO_H
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#define BUFSIZ 1024
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#ifdef __vax
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#define _NBF 8
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#endif
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#ifdef __mc68020
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#define _NBF 8
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#endif
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#ifndef _NBF
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#define _NBF 1
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#endif
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#define _BUFSIZ (_NBF * BUFSIZ)
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#define _NFILES 20
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#define NULL 0
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#define EOF (-1)
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#define IO_READMODE 1
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#define IO_WRITEMODE 2
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#define IO_UNBUFF 4
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#define IO_EOF 8
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#define IO_ERR 16
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#define IO_MYBUF 32
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#define IO_PERPRINTF 64
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#ifndef FILE
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extern struct _io_buf {
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int _count;
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int _flags;
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unsigned char *_buf;
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unsigned char *_ptr;
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int _bufsiz;
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int _fd;
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} *_io_table[_NFILES], _stdin, _stdout, _stderr;
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#endif /* FILE */
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#define FILE struct _io_buf
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#define stdin (&_stdin)
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#define stdout (&_stdout)
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#define stderr (&_stderr)
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#define getchar() getc(stdin)
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#define putchar(c) putc(c,stdout)
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#define getc(p) (--(p)->_count >= 0 ? (int) (*(p)->_ptr++) : \
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_fillbuf(p))
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#define putc(c, p) (--(p)->_count >= 0 ? \
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(int) (*(p)->_ptr++ = (c)) : \
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_flushbuf((c),(p)))
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#define feof(p) (((p)->_flags & IO_EOF) != 0)
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#define ferror(p) (((p)->_flags & IO_ERR) != 0)
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#define fileno(p) ((p)->_fd)
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#define io_testflag(p,x) ((p)->_flags & (x))
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/* If you want a stream to be flushed after each printf use:
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*
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* io_perprintf(stream);
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*
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* If you want to stop with this kind of buffering use:
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*
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* io_noperprintf(stream);
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*/
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#define io_noperprintf(p) ((p)->_flags &= ~IO_PERPRINTF)
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#define io_perprintf(p) ((p)->_flags |= IO_PERPRINTF)
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extern FILE *fopen(), *fdopen(), *freopen(), *popen();
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extern long ftell();
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extern setbuf(), rewind();
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extern char *fgets(), *gets();
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#endif /* _STDIO_H */
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