155 lines
4.4 KiB
C++
155 lines
4.4 KiB
C++
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/*_ stdio.h Fri Nov 24 1989 Modified by: Walter Bright */
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/* Standard I/O header file */
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#ifndef __STDIO_H
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#define __STDIO_H
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#if __cplusplus
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extern "C" {
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#endif
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#define _NFILE 20 /* # of files we can have open at once */
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#define EOF (-1)
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#define SEEK_SET 0 /* seek from start of file */
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#define SEEK_CUR 1 /* relative to current position */
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#define SEEK_END 2 /* relative to end of file */
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#ifdef LPTR
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#define NULL 0L
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#else
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#define NULL 0
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#endif
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/* I/O buffer size */
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#define BUFSIZ 512
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#if sizeof(void *) == 2
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#define BIGBUF (40 * BUFSIZ)
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#endif
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#define size_t unsigned
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/**** structure for high level file I/O ********/
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typedef struct _iobuf
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{
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char *_ptr; /* pointer to next character position */
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int _cnt; /* number of characters left in buffer */
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char *_base; /* pointer to start of buffer */
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int _flag; /* various info about this channel */
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int _file; /* file "handle" */
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unsigned _bufsiz; /* size of buffer being used */
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#ifdef BIGBUF
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int _seg; /* segment of buffer if _IOBIGBUF */
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#endif
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} FILE;
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extern FILE _iob[_NFILE];
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#define _IOREAD 1 /* file is opened for read */
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#define _IOWRT 2 /* file is opened for write */
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#define _IONBF 4 /* file I/O is not buffered */
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#define _IOMYBUF 8 /* buffer allocated by setvbuf() */
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#define _IOEOF 0x10 /* end of file has occurred */
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#define _IOERR 0x20 /* error has occurred */
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#define _IOLBF 0x40 /* file is line buffered */
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#define _IORW 0x80 /* file is opened for reading and writing */
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#define _IOFBF 0 /* file is fully buffered */
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#define _IOTRAN 0x100 /* I/O is translated (not binary) */
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#ifdef BIGBUF
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#define _IOBIGBUF 0x400 /* the buffer is outside the data segment */
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#endif
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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 stdaux (&_iob[3])
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#define stdprn (&_iob[4])
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#define L_tmpnam 7
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#define TMP_MAX 32767
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#define FILENAME_MAX (3+64+8+1+3)
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#define FOPEN_MAX 20
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typedef long fpos_t;
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#ifdef __STDC__
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#define __CDECL
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#else
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#define __CDECL cdecl
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#endif
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char * __CDECL tmpnam(char *);
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FILE * __CDECL fopen(const char *,const char *);
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FILE * __CDECL freopen(const char *,const char *,FILE *);
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int __CDECL fseek(FILE *,long,int);
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long __CDECL ftell(FILE *);
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char * __CDECL fgets(char *,int,FILE *);
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int __CDECL fgetc(FILE *);
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int __CDECL fflush(FILE *);
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int __CDECL fclose(FILE *);
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int __CDECL fputs(const char *,FILE *);
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int __CDECL getc(FILE *);
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int __CDECL getchar(void);
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char * __CDECL gets(char *);
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int __CDECL fputc(int,FILE *);
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int __CDECL putc(int,FILE *);
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int __CDECL putchar(int);
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int __CDECL puts(const char *);
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int __CDECL ungetc(int,FILE *);
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size_t __CDECL fread(void *,size_t,size_t,FILE *);
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size_t __CDECL fwrite(const void *,size_t,size_t,FILE *);
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int __CDECL printf(const char *,...);
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int __CDECL fprintf(FILE *,const char *,...);
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int __CDECL vfprintf(FILE *,const char *,char *);
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int __CDECL vprintf(const char *,char *);
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int __CDECL sprintf(char *,const char *,...);
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int __CDECL vsprintf(char *,const char *,char *);
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int __CDECL scanf(const char *,...);
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int __CDECL fscanf(FILE *,const char *,...);
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int __CDECL sscanf(char *,const char *,...);
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void __CDECL setbuf(FILE *,char *);
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int __CDECL setvbuf(FILE *,char *,int,size_t);
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int __CDECL remove(const char *);
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int __CDECL rename(char *,char *);
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void __CDECL rewind(FILE *);
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void __CDECL clearerr(FILE *);
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int __CDECL feof(FILE *);
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int __CDECL ferror(FILE *);
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void __CDECL perror(const char *);
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/* Unimplemented */
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int __CDECL fgetpos(FILE *,fpos_t *);
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int __CDECL fsetpos(FILE *,const fpos_t *);
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FILE * __CDECL tmpfile(void);
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#define getchar() getc(stdin)
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#define putchar(c) putc((c),stdout)
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#define getc(fp) fgetc(fp)
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#define putc(c,fp) fputc((c),(fp))
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#define ferror(fp) ((fp)->_flag&_IOERR)
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#define feof(fp) ((fp)->_flag&_IOEOF)
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#define clearerr(fp) ((void)((fp)->_flag&=~(_IOERR|_IOEOF)))
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#define rewind(fp) ((void)(fseek(fp,0L,SEEK_SET),((fp)->_flag&=~_IOERR)))
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#ifndef __STDC__ /* non-ANSI functions */
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#define fileno(fp) ((fp)->_file)
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int __CDECL fcloseall(void);
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long __CDECL filesize(char *);
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int __CDECL flushall(void);
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int __CDECL getch(void);
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int __CDECL getche(void);
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int __CDECL unlink(const char *);
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#endif
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#undef __CDECL
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#if __cplusplus
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}
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#endif
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#endif /* __STDIO_H */
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