root/usr/src/stand/lib/sa/stdio.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SA_STDIO_H
#define _SA_STDIO_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

#include <sys/types.h>
#include <stdarg.h>

/*
 * Exported interfaces for standalone's subset of libc's <stdio.h>.
 * All standalone code *must* use this header rather than libc's.
 */

#ifdef __cplusplus
extern "C" {
#endif

#ifndef NULL
#define NULL    0
#endif

#ifndef EOF
#define EOF     (-1)
#endif

/*
 * Flags to setvbuf() which we pretend to support.  We're always really _IONBF.
 */
#define _IOFBF  0000    /* full buffered */
#define _IOLBF  0100    /* line buffered */
#define _IONBF  0004    /* not buffered */

typedef struct {
        unsigned char   _flag;          /* state of the stream */
        int             _file;          /* file descriptor */
        ssize_t         _len;           /* total len of file */
        ssize_t         _offset;        /* offset within the file */
        char            _name[256];     /* name of the file (for debugging) */
} FILE;

#define stdin   (&__iob[0])
#define stdout  (&__iob[1])
#define stderr  (&__iob[2])

#define _NFILE  10
extern  FILE    __iob[_NFILE];

extern int      fclose(FILE *);
extern int      feof(FILE *);
extern int      fflush(FILE *);
extern int      ferror(FILE *);
extern void     clearerr(FILE *);

extern char     *fgets(char *, int, FILE *);
extern FILE     *fopen(const char *, const char *);
extern size_t   fread(void *, size_t, size_t, FILE *);
extern int      fseek(FILE *, long, int);
extern long     ftell(FILE *);
extern size_t   fwrite(const void *, size_t, size_t, FILE *);
extern int      setvbuf(FILE *, char *, int, size_t);

/* PRINTFLIKE1 */
extern void     printf(const char *, ...);
/* PRINTFLIKE2 */
extern int      fprintf(FILE *, const char *, ...);
/* PRINTFLIKE2 */
extern int      sprintf(char *, const char *, ...);
/* PRINTFLIKE3 */
extern size_t   snprintf(char *, size_t, const char *, ...);
extern int      vsprintf(char *, const char *, va_list);
extern size_t   vsnprintf(char *, size_t, const char *, va_list);

#ifdef __cplusplus
}
#endif

#endif /* _SA_STDIO_H */