101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/* @(#)stdio.h 1.1 94/10/31 SMI; from S5R2 2.7 */
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#ifndef _stdio_h
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#define _stdio_h
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#if pdp11
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#define BUFSIZ 512
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#else
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# if u370
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#define BUFSIZ 4096
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# else /* just about every other UNIX system in existence */
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#define BUFSIZ 1024
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# endif
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#endif
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/* buffer size for multi-character output to unbuffered files */
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#define _SBFSIZ 8
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typedef struct {
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#if pdp11 || u370
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unsigned char *_ptr;
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int _cnt;
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#else /* just about every other UNIX system in existence */
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int _cnt;
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unsigned char *_ptr;
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#endif
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unsigned char *_base;
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int _bufsiz;
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short _flag;
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unsigned char _file; /* should be short */
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} FILE;
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/*
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* _IOLBF means that a file's output will be buffered line by line
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* In addition to being flags, _IONBF, _IOLBF and _IOFBF are possible
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* values for "type" in setvbuf.
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*/
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#define _IOFBF 0000
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#define _IOREAD 0001
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#define _IOWRT 0002
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#define _IONBF 0004
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#define _IOMYBUF 0010
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#define _IOEOF 0020
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#define _IOERR 0040
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#define _IOSTRG 0100
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#define _IOLBF 0200
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#define _IORW 0400
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef EOF
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#define EOF (-1)
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#endif
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#define stdin (&_iob[0])
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#define stdout (&_iob[1])
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#define stderr (&_iob[2])
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#ifndef lint
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#define getc(p) (--(p)->_cnt >= 0 ? ((int) *(p)->_ptr++) : _filbuf(p))
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#define putc(x, p) (--(p)->_cnt >= 0 ?\
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(int)(*(p)->_ptr++ = (unsigned char)(x)) :\
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(((p)->_flag & _IOLBF) && -(p)->_cnt < (p)->_bufsiz ?\
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((*(p)->_ptr = (unsigned char)(x)) != '\n' ?\
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(int)(*(p)->_ptr++) :\
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_flsbuf(*(unsigned char *)(p)->_ptr, p)) :\
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_flsbuf((unsigned char)(x), p)))
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#define getchar() getc(stdin)
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#define putchar(x) putc((x), stdout)
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#define clearerr(p) ((void) ((p)->_flag &= ~(_IOERR | _IOEOF)))
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#define feof(p) (((p)->_flag & _IOEOF) != 0)
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#define ferror(p) (((p)->_flag & _IOERR) != 0)
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#define fileno(p) (p)->_file
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#else
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extern void clearerr();
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#endif
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extern FILE _iob[];
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extern FILE *fopen(), *fdopen(), *freopen(), *popen(), *tmpfile();
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extern long ftell();
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extern void rewind(), setbuf();
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extern char *ctermid(), *cuserid(), *fgets(), *gets(), *tempnam(), *tmpnam();
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#define L_ctermid 9
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#define L_cuserid 9
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#define P_tmpdir "/usr/tmp/"
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#define L_tmpnam 25 /* (sizeof(P_tmpdir) + 15) */
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#endif /*!_stdio_h*/
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/*
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* #define for nl_printf, nl_fprint, nl_sprintf
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*/
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#define nl_printf printf
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#define nl_fprintf fprintf
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#define nl_sprintf sprintf
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#define nl_scanf scanf
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#define nl_fscanf fscanf
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#define nl_sscanf sscanf
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