146 lines
4.3 KiB
C
146 lines
4.3 KiB
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef FILE
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#define BUFSIZ 1024
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extern struct _iobuf {
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int _cnt;
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char *_ptr; /* should be unsigned char */
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char *_base; /* ditto */
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int _bufsiz;
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short _flag;
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short _file;
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} _iob[];
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#define _IOREAD 01
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#define _IOWRT 02
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#define _IONBF 04
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#define _IOMYBUF 010
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#define _IOEOF 020
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#define _IOERR 040
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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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/*
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* The following definition is for ANSI C, which took them
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* from System V, which brilliantly took internal interface macros and
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* made them official arguments to setvbuf(), without renaming them.
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* Hence, these ugly _IOxxx names are *supposed* to appear in user code.
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*/
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#define _IOFBF 0 /* setvbuf should set fully buffered */
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/* _IONBF and _IOLBF are used from the flags above */
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef _SIZE_T
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#define _SIZE_T
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typedef unsigned size_t;
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#endif
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#define FILE struct _iobuf
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#define EOF (-1)
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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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#define SEEK_SET 0 /* set file offset to offset */
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#define SEEK_CUR 1 /* set file offset to current plus offset */
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#define SEEK_END 2 /* set file offset to EOF plus offset */
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#ifndef lint
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#define getc(p) (--(p)->_cnt>=0? (int)(*(unsigned char *)(p)->_ptr++):_filbuf(p))
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#define putc(x, p) (--(p)->_cnt >= 0 ?\
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(int)(*(unsigned char *)(p)->_ptr++ = (x)) :\
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(((p)->_flag & _IOLBF) && -(p)->_cnt < (p)->_bufsiz ?\
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((*(p)->_ptr = (x)) != '\n' ?\
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(int)(*(unsigned char *)(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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#endif /* not lint */
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FILE *fopen (const char *, const char *);
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FILE *fdopen (int, const char *);
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FILE *freopen (const char *, const char *, FILE *);
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FILE *popen (const char *, const char *);
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int pclose(FILE *stream);
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FILE *tmpfile (void);
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int fclose (FILE *);
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long ftell (FILE *);
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int fflush (FILE *);
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int fgetc (FILE *);
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int ungetc (int, FILE *);
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int fputc (int, FILE *);
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int putchar (int);
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int fputs (const char *, FILE *);
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int puts (const char *);
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char *fgets (char *, int, FILE *);
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char *gets (char *);
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FILE *_findiop (void);
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int _filbuf (FILE *);
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int _flsbuf (unsigned char, FILE *);
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void setbuf (FILE *, char *);
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void setbuffer (FILE *, char *, size_t);
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void setlinebuf (FILE *);
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int setvbuf (FILE *, char *, int, size_t);
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int fseek (FILE *, long, int);
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int rename(const char *, const char *);
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void rewind (FILE *);
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int remove (const char *);
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int getw(FILE *stream);
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int putw(int w, FILE *stream);
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size_t fread (void *, size_t, size_t, FILE *);
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size_t fwrite (const void *, size_t, size_t, FILE *);
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int fprintf (FILE *, const char *, ...);
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int printf (const char *, ...);
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int sprintf (char *, const char *, ...);
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int snprintf (char *, size_t, const char *, ...);
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int fscanf (FILE *, const char *, ...);
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int scanf (const char *, ...);
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int sscanf (const char *, const char *, ...);
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#define getchar() getc(stdin)
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#define putchar(x) putc(x,stdout)
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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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#define clearerr(p) ((p)->_flag &= ~(_IOERR|_IOEOF))
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#ifndef _VA_LIST_
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# ifdef __GNUC__
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# define va_list __builtin_va_list /* For Gnu C */
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# endif
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# ifdef __SMALLER_C__
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# define va_list char * /* For Smaller C */
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# endif
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#endif
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int vfprintf (FILE *, const char *, va_list);
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int vprintf (const char *, va_list);
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int vsprintf (char *, const char *, va_list);
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int vsnprintf (char *, size_t, const char *, va_list);
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int vfscanf (FILE *, const char *, va_list);
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int vscanf (const char *, va_list);
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int vsscanf (const char *, const char *, va_list);
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int _doprnt (const char *, va_list, FILE *);
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int _doscan (FILE *, const char *, va_list);
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#ifndef _VA_LIST_
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# undef va_list
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#endif
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void perror (const char *);
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#endif /* _FILE */
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