182 lines
5.1 KiB
C
182 lines
5.1 KiB
C
/* @(#)stdio.h 1.1 92/07/30 SMI; from S5R2 2.7 */
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#ifdef comment /* ======================================================= */
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"Standard" header file definition. See the C style paper for
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full explanations. Note that this reorganization has been
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forced upon us by ANSI C; please abide by it. This file, aside
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from this comment, is supposed to be a good example.
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/* sccs id stuff */
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#ifndef __[dir_]_filename_h
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#define __[dir_]_filename_h
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#include /* all includes come first */
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#define /* all defines other than function like macros */
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structs
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unions
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enums
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function prototypes
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/*
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* macros that are supplied as C functions have to be defined after
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* the C prototype.
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*/
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#define /* all function like macros */
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extern variables
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#endif __[dir_]_filename_h
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#endif /* comment ======================================================= */
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#ifndef __stdio_h
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#define __stdio_h
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#include <sys/stdtypes.h> /* for size_t */
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#if pdp11
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#define BUFSIZ 512
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#elif u370
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#define BUFSIZ 4096
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#else /* just about every other UNIX system in existence */
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#define BUFSIZ 1024
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#endif
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#ifndef EOF
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#define EOF (-1)
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#endif
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#define L_ctermid 9
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#define L_cuserid 9
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#define L_tmpnam 25 /* (sizeof (_tmpdir) + 15) */
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#define _tmpdir "/usr/tmp/"
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#define FILENAME_MAX 1025
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#define TMP_MAX 17576
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/*
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* ANSI C requires definitions of SEEK_CUR, SEEK_END, and SEEK_SET here.
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* They must be kept in sync with SEEK_* in <sys/unistd.h> (as required
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* by POSIX.1) and L_* in <sys/file.h>.
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* FOPEN_MAX should follow definition of _POSIX_OPEN_MAX in <sys/unistd.h>.
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*/
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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#endif
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#define FOPEN_MAX 16
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#ifndef _POSIX_SOURCE
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#define P_tmpdir _tmpdir
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#endif
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#ifndef NULL
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#define NULL 0
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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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/*
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* _IOLBF means that a file's output will be buffered line by line
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* In addition to being flags, _IONBF, _IOLBF and _IOFBF are possible
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* values for "type" in setvbuf.
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*/
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#define _IOFBF 0000
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#define _IOREAD 0001
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#define _IOWRT 0002
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#define _IONBF 0004
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#define _IOMYBUF 0010
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#define _IOEOF 0020
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#define _IOERR 0040
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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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* buffer size for multi-character output to unbuffered files
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*/
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#define _SBFSIZ 8
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typedef struct {
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#if pdp11 || u370
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unsigned char *_ptr;
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int _cnt;
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#else /* just about every other UNIX system in existence */
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int _cnt;
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unsigned char *_ptr;
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#endif
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unsigned char *_base;
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int _bufsiz;
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short _flag;
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unsigned char _file; /* should be short */
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} FILE;
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#ifndef _POSIX_SOURCE
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extern char *ctermid(/* char *s */); /* unistd.h */
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extern char *cuserid(/* char *s */); /* unistd.h */
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extern FILE *popen(/* char *prog, char *mode */);
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extern char *tempnam(/* char *d, char *s */);
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#endif
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extern void clearerr(/* FILE *stream */);
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extern int fclose(/* FILE *f */);
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extern FILE *fdopen(/* int fd, char *type */);
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extern int feof(/* FILE *f */);
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extern int ferror(/* FILE *f */);
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extern int fflush(/* FILE *f */);
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extern int fgetc(/* FILE *f */);
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extern int fileno(/* FILE *f */);
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extern FILE *fopen(/* const char *path, const char *mode */);
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extern char *fgets(/* char *s, int n, FILE *f */);
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extern int fprintf(/* FILE *f, const char *fmt, ... */);
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extern int fputc(/* int c, FILE *f */);
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extern int fputs(/* const char *s, FILE *f */);
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extern size_t fread(/* void *ptr, size_t size, size_t nmemb, FILE *f */);
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extern FILE *freopen(/* const char *filename, const char *mode, FILE *f */);
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extern int fscanf(/* FILE *f, const char *format, ... */);
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extern int fseek(/* FILE *f, long int offset, int whence */);
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extern long ftell(/* FILE *f */);
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extern size_t fwrite(/* const void *p, size_t size, size_t nmemb, FILE *f */);
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extern int getc(/* FILE *f */);
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extern int getchar(/* void */);
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extern char *gets(/* char *s */);
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extern void perror(/* const char *s */);
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extern int printf(/* const char *fmt, ... */);
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extern int putc(/* int c, FILE *f */);
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extern int putchar(/* int c */);
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extern int puts(/* const char *s */);
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extern int remove(/* const char *filename */);
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extern int rename(/* char *old, char *new */);
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extern void rewind(/* FILE *f */);
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extern int scanf(/* const char *format, ... */);
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extern void setbuf(/* FILE *f, char *b */);
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extern int sprintf(/* char *s, const char *fmt, ... */);
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extern int sscanf(/* const char *s, const char *format, ... */);
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extern FILE *tmpfile(/* void */);
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extern char *tmpnam(/* char *s */);
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extern int ungetc(/* int c, FILE *f */);
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#ifndef lint
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#define getc(p) (--(p)->_cnt >= 0 ? ((int) *(p)->_ptr++) : _filbuf(p))
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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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(((p)->_flag & _IOLBF) && -(p)->_cnt < (p)->_bufsiz ?\
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((*(p)->_ptr = (unsigned char)(x)) != '\n' ?\
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(int)(*(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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#define getchar() getc(stdin)
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#define putchar(x) putc((x), stdout)
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#define clearerr(p) ((void) ((p)->_flag &= ~(_IOERR | _IOEOF)))
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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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#endif
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extern FILE _iob[];
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#endif /* !__stdio_h */
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