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- /*
- * Libraries and headers for PDC release 3.3 (C) 1989 Lionel Hummel.
- * PDC Software Distribution (C) 1989 Lionel Hummel and Paul Petersen.
- * PDC I/O Library (C) 1987 by J.A. Lydiatt.
- *
- * This code is freely redistributable upon the conditions that this
- * notice remains intact and that modified versions of this file not
- * be included as part of the PDC Software Distribution without the
- * express consent of the copyright holders. No warrantee of any
- * kind is provided with this code. For further information, contact:
- *
- * PDC Software Distribution Internet: BIX:
- * P.O. Box 4006 or hummel@cs.uiuc.edu lhummel
- * Urbana, IL 61801-8801 petersen@uicsrd.csrd.uiuc.edu
- */
-
- /* stdio.h
- */
-
- #ifndef STDIO_H
-
- #ifndef NULL
- #define NULL 0L
- #endif
-
- struct _iobuf {
- struct _iobuf *next; /* Link to next buffer in chain */
- int _fileunit; /* File descriptor */
- char *_filecpos; /* Current position in buffer */
- char *_fileend; /* Last position in buffer */
- long _filelen; /* Buffer size */
- char *_filebufp; /* za buffer */
- char _filebyte; /* Instant one-byte buffer */
- char _padbyte;
- unsigned short _fileflag; /* Condition flags */
- };
-
- #define FILE struct _iobuf
- extern FILE *_fdevtab[];
-
- #define BUFSIZ (1024)
- #define MAX_READ_SIZE (1024)
-
- #define _FILEACTIVE 0x01
- #define _FILEISDIRTY 0x02
- #define _FILEATEOF 0x04
- #define _FILEBAD 0x08
- #define _FILEISDYNA 0x10
- #define _FILEISTTY 0x20
-
- #define _IOREAD 0x1
- #define _IOWRT 0x2
- #define _IOEOF 0x10
- #define _IOERR 0x20
- #define _IORW 0x100
-
- #define EOF (-1)
-
- #define feof(p) (((p)->_fileflag&_FILEATEOF)!=0)
- #define ferror(p) (((p)->_fileflag&_FILEBAD)!=0)
- #define fileno(p) ((p)->_fileunit)
- #define clearerr(p) ((p)->_fileflag &= ~(_FILEBAD|_FILEATEOF))
-
- #define getc(c) fgetc((c))
- #define getchar() fgetc(stdin)
- #define putc(c,s) fputc((c),(s))
- #define putchar(c) fputc((c), stdout)
-
- extern FILE *stdin;
- extern FILE *stdout;
- extern FILE *stderr;
-
- #if 0
- extern FILE *fopen(char *, char *);
- extern FILE *fdopen(int, char *);
- extern int fgetc(FILE *);
- extern int ungetc(char, FILE *);
- extern char *fgets(char *, int, FILE *);
- #else
- extern FILE *fopen();
- extern FILE *fdopen();
- extern int fgetc();
- extern int ungetc();
- extern char *fgets();
- #endif
-
- #define STDIO_H
- #endif
-