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- /***************************************************************************
- * This program is Copyright (C) 1986, 1987, 1988 by Jonathan Payne. JOVE *
- * is provided to you without charge, and with no warranty. You may give *
- * away copies of JOVE, including sources, provided that this notice is *
- * included in all the files. *
- ***************************************************************************/
-
- #define putchar(c) putc(c, stdout)
- #define putc(c, fp) (--(fp)->f_cnt >= 0 ? (*(fp)->f_ptr++ = (c)) : _flush((c), fp))
- #define getc(fp) (((--(fp)->f_cnt < 0) ? filbuf(fp) : *(fp)->f_ptr++))
-
- typedef struct File {
- int f_cnt, /* number of characters left in buffer */
- f_bufsize, /* size of what f_base points to */
- f_fd, /* fildes */
- f_flags; /* various flags */
- char *f_ptr, /* current offset */
- *f_base; /* pointer to base */
- char *f_name; /* name of open file */
- } File;
-
- #define F_READ 01
- #define F_WRITE 02
- #define F_APPEND 04
- #define F_MODE(x) (x&07)
- #define F_EOF 010
- #define F_STRING 020
- #define F_ERR 040
- #define F_LOCKED 0100 /* don't close this file upon error */
- #define F_MYBUF 0200 /* f_alloc allocated the buffer, so
- f_close knows to free it up */
- #define F_TELLALL 0400 /* whether to display info upon close */
-
- extern long io_chars;
- extern int io_lines;
-
- extern File
- *stdout,
-
- *open_file(),
- *fd_open(),
- *f_open();
-
- #ifdef VMUNIX
- # define MAXTTYBUF 2048
- #else
- # define MAXTTYBUF 512
- #endif
-