[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | stdio.h -- Standard I/O Package header for the Buchla 700
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| 4 | Version 6 -- 1987-10-20 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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| 8 | #include "fspars.h" /* file system parameters */
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| 9 |
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| 10 | #define NULL 0
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| 11 | #define EOF -1
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| 12 |
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| 13 | #define fgetc getc
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| 14 | #define fputc putc
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| 15 |
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| 16 | #define _BUSY 0x01
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| 17 | #define _ALLBUF 0x02
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| 18 | #define _DIRTY 0x04
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| 19 | #define _EOF 0x08
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| 20 | #define _IOERR 0x10
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| 21 |
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| 22 | typedef struct {
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| 23 |
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| 24 | char *_bp; /* current position in buffer */
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| 25 | char *_bend; /* last character in buffer + 1 */
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| 26 | char *_buff; /* address of buffer */
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| 27 | char _flags; /* {_BUSY, _ALLBUF, _DIRTY, _EOF, _IOERR} */
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| 28 | char _unit; /* fd token returned by open */
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| 29 | char _bytbuf; /* single byte buffer for unbuffered streams */
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| 30 | char _pad; /* pad for alignment -- possibly use later */
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| 31 | int _buflen; /* length of buffer */
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| 32 |
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| 33 | } FILE;
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| 34 |
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| 35 | #ifndef _FS_DEF_
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| 36 |
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| 37 | extern FILE Cbuffs[NSTREAMS]; /* table of FILE structures */
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| 38 | extern char *Stdbufs; /* free list of buffers */
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| 39 | extern long Stdbuf[MAXDFILE][BUFSIZL]; /* buffers */
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| 40 |
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| 41 | #endif
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| 42 |
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| 43 | extern long ftell();
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| 44 | extern char *gets(), *fgets();
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| 45 | extern FILE *fopen(), *fopena(), *fopenb();
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| 46 |
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| 47 | #define stdin (&Cbuffs[0])
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| 48 | #define stdout (&Cbuffs[1])
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| 49 | #define stderr (&Cbuffs[2])
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| 50 |
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| 51 | #define getchar() getc(stdin)
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| 52 | #define putchar(c) putc(c, stdout)
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| 53 | #define feof(fp) (((fp)->_flags & _EOF) != 0)
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| 54 | #define ferror(fp) (((fp)->_flags & _IOERR) != 0)
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| 55 | #define clearerr(fp) ((fp)->_flags &= ~(_IOERR | _EOF))
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| 56 | #define fileno(fp) ((fp)->_unit)
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| 57 |
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| 58 | #ifndef O_RDONLY /* only define these once */
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| 59 |
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| 60 | #define O_RDONLY 0x0000 /* Read-only value */
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| 61 | #define O_WRONLY 0x0001 /* Write-only value */
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| 62 | #define O_RDWR 0x0002 /* Read-write value */
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| 63 |
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| 64 | #define O_NDELAY 0x0004 /* Non-blocking I/O flag */
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| 65 | #define O_APPEND 0x0008 /* Append mode flag (write only at end) */
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| 66 |
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| 67 | #define O_CREAT 0x0100 /* File creation flag (uses 3rd argument) */
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| 68 | #define O_TRUNC 0x0200 /* File truncation flag */
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| 69 | #define O_EXCL 0x0400 /* Exclusive access flag */
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| 70 |
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| 71 | #define O_RAW 0x8000 /* Raw (binary) I/O flag for getc and putc */
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| 72 |
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| 73 | #endif
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