gno/include/stdio.h

237 lines
7.3 KiB
C

/****************************************************************
*
* stdio.h - input/output facilities
*
* February 1989
* Mike Westerfield
*
* Copyright 1989, 1993
* Byte Works, Inc.
*
****************************************************************/
#ifndef __stdio__
#define __stdio__
#ifndef _SYS_CDEFS_H_
#include <sys/cdefs.h>
#endif
#ifndef _SYS_SYSLIMITS_H_
#include <sys/syslimits.h>
#endif
/*
* Misc.
*/
#ifndef __va_list__
#define __va_list__
typedef char *__va_list[2];
#endif
#ifndef EOF
#define EOF (-1)
#endif
#ifndef NULL
#define NULL (void *) 0L
#endif
#ifndef __size_t__
#define __size_t__ 1
typedef unsigned long size_t;
#endif
/* seek codes */
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
/*
* Error handling
*/
#if !defined(__KeepNamespacePure__) && !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
extern const int sys_nerr; /* largest index for sys_errlist */
extern const char * const sys_errlist[]; /* error messages */
#endif
/*
* files
*/
typedef struct __file {
struct __file *next; /* next file in linked list */
unsigned char *_ptr, /* next location to write to */
*_base, /* first byte of the buffer */
*_end; /* end of the file buffer */
unsigned long _size, /* size of the file buffer */
_cnt; /* # chars that can be read/writen to buffer */
#if defined(__ORCAC_VERSION) && (__ORCAC_VERSION > 210)
int _pbk[2]; /* put back character; changed in v2.1.1b2 */
#else
int _pbk; /* put back character */
#endif
unsigned int _flag, /* buffer flags */
_file; /* GS/OS file ID */
} FILE;
#define BUFSIZ 1024 /* default buffer size */
#define _LBUFSIZ 255 /* line buffer size */
#define _IOFBF 0x0001 /* full buffering */
#define _IONBF 0x0002 /* no buffering */
#define _IOLBF 0x0004 /* flush when a \n is written */
#define _IOREAD 0x0008 /* currently reading */
#define _IOWRT 0x0010 /* currently writing */
#define _IORW 0x0020 /* read/write enabled */
#define _IOMYBUF 0x0040 /* buffer was allocated by stdio */
#define _IOEOF 0x0080 /* has an EOF been found? */
#define _IOERR 0x0100 /* has an error occurred? */
#define _IOTEXT 0x0200 /* is this file a text file? */
#define _IOTEMPFILE 0x0400 /* was this file created by tmpfile()? */
extern FILE *stderr; /* standard I/O files */
extern FILE *stdin;
extern FILE *stdout;
#define L_tmpnam 26 /* size of a temp name */
#define TMP_MAX 10000 /* # of unique temp names */
#ifdef __GNO__
#define __max_open OPEN_MAX /* <= OPEN_MAX <sys/syslimits.h> */
#else
#define __max_open 32767 /* Orca Shell: no practical limit */
#endif
#ifndef __KeepNamespacePure__
#define SYS_OPEN __max_open /* max # open files */
#endif
#define FOPEN_MAX __max_open /* max # open files */
#undef __max_open
#define FILENAME_MAX 1024 /* recommended file name length */
/*
* Other types
*/
typedef long fpos_t;
/*
* Functions declared as macros
*/
#ifdef __ORCAC_VERSION /* Orca/C v2.1.0 or later */
#define setbuf(stream,buf) ((buf==NULL) ? (void) __setvbuf(stream,NULL,_IONBF,0l) : (void) __setvbuf(stream,buf,_IOFBF,(size_t) BUFSIZ))
#define setlinebuf(stream) (__setvbuf((stream),NULL,_IOLBF,_LBUFSIZ))
#define rewind(stream) (__fseek((stream),0L,SEEK_SET))
int __fseek(FILE *, long, int);
int __setvbuf(FILE *, char *, int, size_t);
int getc(FILE *);
int putc(int, FILE *);
#else /* __ORCAC_VERSION */
#define getc(p) (fgetc(p))
#define putc(x, p) fputc(x, p)
#define setbuf(stream,buf) ((buf==NULL) ? (void) setvbuf(stream,NULL,_IONBF,0l) : (void) setvbuf(stream,buf,_IOFBF,(size_t) BUFSIZ))
#define setlinebuf(stream) (setvbuf((stream),NULL,_IOLBF,_LBUFSIZ))
#define rewind(stream) (fseek((stream),0L,SEEK_SET))
#endif /* __ORCAC_VERSION */
/*
* Function declarations
*/
void clearerr(FILE *);
int fclose(FILE *);
int feof(FILE *);
int ferror(FILE *);
int fflush(FILE *);
int fgetc(FILE *);
int fgetpos(FILE *, fpos_t *);
char *fgets(char *, int, FILE *);
FILE *fopen(const char *, const char *);
int fprintf(FILE *, const char *, ...);
int fputc(int, FILE *);
int fputs(const char *, FILE *);
size_t fread(void *, size_t, size_t, FILE *);
FILE *freopen(const char *, const char *, FILE *);
int fscanf(FILE *, const char *, ...);
int fseek(FILE *, long, int);
int fsetpos(FILE *, const fpos_t *);
long int ftell(FILE *);
size_t fwrite(const void *, size_t, size_t, FILE *);
int getchar(void);
char *gets(char *);
void perror(const char *);
int printf(const char *, ...);
int putchar(int);
int puts(const char *);
int remove(const char *);
int rename(const char *, const char *);
int scanf(const char *, ...);
int setvbuf(FILE *, char *, int, size_t);
int sprintf(char *, const char *, ...);
int sscanf(const char *, const char *, ...);
FILE *tmpfile(void);
char *tmpnam(char *);
int ungetc(int c, FILE *);
int vfprintf(FILE *, const char *, __va_list);
int vprintf(const char *, __va_list);
int vsprintf(char *, const char *, __va_list);
/*
* The remaining functions and macros in this file are GNO-specific
*/
/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
#ifndef _ANSI_SOURCE
#define P_tmpdir "/tmp/"
#endif
/*
* Functions defined in POSIX 1003.1.
*/
#ifndef _ANSI_SOURCE
#define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */
#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */
#define fileno(f) (f->_file)
__BEGIN_DECLS
#ifndef _POSIX_SOURCE
char *cuserid __P((char *)); /* non-BSD */
#endif
char *ctermid __P((char *));
FILE *fdopen __P((int, const char *));
int fileno __P((FILE *));
__END_DECLS
#endif /* not ANSI */
/*
* Routines that are purely local.
*/
#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
__BEGIN_DECLS
char *fgetln __P((FILE *, size_t *));
int fpurge __P((FILE *));
int getw __P((FILE *));
int pclose __P((FILE *));
FILE *popen __P((const char *, const char *));
int putw __P((int, FILE *));
void setbuffer __P((FILE *, char *, int));
char *tempnam __P((const char *, const char *));
int snprintf __P((char *, size_t, const char *, ...));
int vfscanf __P((FILE *, const char *, __va_list));
int vsnprintf __P((char *, size_t, const char *, __va_list));
int vscanf __P((const char *, __va_list));
int vsscanf __P((const char *, const char *, __va_list));
FILE *zopen __P((const char *, const char *, int));
__END_DECLS
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
#endif /* __stdio__ */