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274 lines
6.0 KiB
C
274 lines
6.0 KiB
C
/************************************************************
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StdIO.h
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Input / output
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Copyright © Apple Computer,Inc. 1985-1991.
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This file is used in these builds: ROM System
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Copyright American Telephone & Telegraph
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Used with permission, Apple Computer Inc. (1985)
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All Rights Reserved.
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Change History (most recent first):
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<6> 11/19/91 JL Changed int param type of _flsbuf to unsigned char type for
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consistency.
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<5> 8/8/91 JL Updated copyright
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<4> 10/24/90 JL Matching MPW version
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To Do:
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************************************************************/
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#ifndef __STDIO__
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#define __STDIO__
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#define NULL 0
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#ifndef __size_t__
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#define __size_t__
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typedef unsigned int size_t;
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#endif
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#ifndef __va_list__
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#define __va_list__
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typedef char *va_list;
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#endif
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/*
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* The basic data structure for a stream is the FILE.
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*/
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typedef struct {
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int _cnt;
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unsigned char *_ptr;
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unsigned char *_base;
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unsigned char *_end;
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unsigned short _size;
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unsigned short _flag;
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unsigned short _file;
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} FILE;
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/*
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* fpos_t is a type that can express any position in a file. A file's
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* end-of-file marker has type fpos_t.
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*/
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typedef long fpos_t;
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/*
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* These macros give the meanings of bits in a FILE's _flag. setvbuf() takes
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* one of _IOFBF, _IOLBF, or _IONBF as its third argument.
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*/
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#define _IOFBF 0 /* Pseudo-flag, default buffering style */
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#define _IOREAD (1<<0) /* Current mode is for reading */
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#define _IOWRT (1<<1) /* Current mode is for writing */
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#define _IONBF (1<<2) /* no buffering */
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#define _IOMYBUF (1<<3) /* buffer was allocated by stdio */
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#define _IOEOF (1<<4)
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#define _IOERR (1<<5)
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#define _IOLBF (1<<6) /* fflush(iop) when a \n is written */
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#define _IORW (1<<7) /* Enable read/write access */
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#define _IOSYNC (1<<8) /* Input triggers fflush() to output fp's */
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#define _IOBINARY (1<<9) /* Binary stream */
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/*
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* Default file buffer sizes used by setbuf() and setvbuf().
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*/
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#define BUFSIZ 1024 /* default file buffer size */
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#define _LBFSIZ 100 /* Line buffer size */
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/*
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* The standard end-of-file indicator.
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*/
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#define EOF (-1)
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/*
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* L_tmpnam is the size of char array long enough to hold a temporary file name
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* generated by tmpnam(), including the trailing null byte. The name is in the
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* form tmp.AAAXXXXXX, where AAA is a sequence of lower case letters ("aaa", "baa",
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* ... "zzz" on successive calls), and XXXXXX is a lower case letter followed by a sequence
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* of digits, all determined at runtime.
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* TMP_MAX is the number of distinct file names that tmpnam() can generate.
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*/
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#define L_tmpnam 14
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#define TMP_MAX 17576
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/*
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* The minimum number of files that a program is guaranteed to be able to have
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* open simultaneously (including the pre-opened stdin, stdout, and stderr).
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* The numbers are listed in Inside Macintosh, page IV-178, as:
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* 64K ROM, 128K Macintosh 12 files
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* 64K ROM, 512K Macintosh 40 files
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* 128K ROM 40 files per volume
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*/
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#define FOPEN_MAX 12
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/*
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* Maximum length of a file name, including a trailing zero byte.
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*/
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#define FILENAME_MAX 32
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/*
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* For use by fseek():
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*/
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#ifndef __FCNTL__ /* these defns exactly paralled in FCntl.h for lseek() */
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#define SEEK_CUR 1
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#define SEEK_END 2
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#define SEEK_SET 0
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#endif
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/*
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* The standard predefined streams.
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*/
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Operations on files
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*/
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int remove(const char *filename);
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int rename(const char *oldname, const char *newname);
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FILE *tmpfile(void);
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char *tmpnam(char *s);
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/*
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* File access functions
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*/
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int fclose(FILE *stream);
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int fflush(FILE *stream);
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FILE *fopen(const char *filename, const char *mode);
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FILE *freopen(const char *filename, const char *mode, FILE *stream);
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void setbuf(FILE *stream, char *buf);
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int setvbuf(FILE *stream, char *buf, int mode, size_t size);
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/*
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* Formatted input/output functions
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*/
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int fprintf(FILE *stream, const char *format, ...);
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int fscanf(FILE *stream, const char *format, ...);
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int printf(const char *format, ...);
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int scanf(const char *format, ...);
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int sprintf(char *s, const char *format, ...);
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int sscanf(const char *s, const char *format, ...);
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int vfprintf(FILE *stream, const char *format, va_list arg);
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int vprintf(const char *format, va_list arg);
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int vsprintf(char *s, const char *format, va_list arg);
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/*
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* Character input/output functions and macros
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*/
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int fgetc(FILE *stream);
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char *fgets(char *s, int n, FILE *stream);
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int fputc(int c, FILE *stream);
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int fputs(const char *s, FILE *stream);
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int getc(FILE *stream);
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#define getc(p) (--(p)->_cnt >= 0 ? (int) *(p)->_ptr++ : _filbuf(p))
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int getchar(void);
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#define getchar() getc(stdin)
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char *gets(char *s);
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int putc(int c, FILE *stream);
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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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_flsbuf((unsigned char) (x), (p)))
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int putchar(int c);
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#define putchar(x) putc((x), stdout)
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int puts(const char *s);
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int ungetc(int c, FILE *stream);
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/*
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* Direct input/output functions
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*/
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size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
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size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
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/*
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* File positioning functions
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*/
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int fgetpos(FILE *stream, fpos_t *pos);
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int fseek(FILE *stream, long int offset, int whence);
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int fsetpos(FILE *stream, const fpos_t *pos);
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long int ftell(FILE *stream);
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void rewind(FILE *stream);
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/*
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* Error-handling functions and macros
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*/
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void clearerr(FILE *stream);
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#define clearerr(p) ((void)((p)->_flag &= ~(_IOERR | _IOEOF)))
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int feof(FILE *stream);
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#define feof(p) ((p)->_flag & _IOEOF)
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int ferror(FILE *stream);
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#define ferror(p) ((p)->_flag & _IOERR)
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void perror(const char *s);
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/*
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* For macros
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*/
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extern FILE _iob[];
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#define _NFILE 20
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int _filbuf(FILE *);
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int _flsbuf(unsigned char, FILE *);
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/*
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* Non-ANSI extensions
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*/
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#ifndef __STDC__
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#define fileno(p) (p)->_file
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FILE *fdopen(int fildes, const char *mode);
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void fsetfileinfo (char *filename, unsigned long newcreator, unsigned long newtype);
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int getw(FILE *stream);
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int putw(int w, FILE *stream);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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