Update libc headers to use musl headers.

1 files changed, 184 insertions, 679 deletions

diff --git a/system/include/libc/stdio.h b/system/include/libc/stdio.h
index 19e11039..cd60bb55 100644
--- a/system/include/libc/stdio.h
+++ b/system/include/libc/stdio.h
@@ -1,694 +1,199 @@
-/*
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- *	@(#)stdio.h	5.3 (Berkeley) 3/15/86
- */
-
-/*
- * NB: to fit things in six character monocase externals, the
- * stdio code uses the prefix `__s' for stdio objects, typically
- * followed by a three-character attempt at a mnemonic.
- */
-
-#ifndef _STDIO_H_
-#define	_STDIO_H_
-
-#include "_ansi.h"
-
-#define	_FSTDIO			/* ``function stdio'' */
-
-#define __need_size_t
-#include <stddef.h>
-
-#define __need___va_list
-#include <stdarg.h>
-
-/*
- * <sys/reent.h> defines __FILE, _fpos_t.
- * They must be defined there because struct _reent needs them (and we don't
- * want reent.h to include this file.
- */
-
-#include <sys/reent.h>
-#include <sys/types.h>
-
-_BEGIN_STD_C
-
-typedef __FILE FILE;
-
-#ifdef __CYGWIN__
-typedef _fpos64_t fpos_t;
-#else
-typedef _fpos_t fpos_t;
-#ifdef __LARGE64_FILES
-typedef _fpos64_t fpos64_t;
-#endif
-#endif /* !__CYGWIN__ */
-
-#include <sys/stdio.h>
-
-#define	__SLBF	0x0001		/* line buffered */
-#define	__SNBF	0x0002		/* unbuffered */
-#define	__SRD	0x0004		/* OK to read */
-#define	__SWR	0x0008		/* OK to write */
-	/* RD and WR are never simultaneously asserted */
-#define	__SRW	0x0010		/* open for reading & writing */
-#define	__SEOF	0x0020		/* found EOF */
-#define	__SERR	0x0040		/* found error */
-#define	__SMBF	0x0080		/* _buf is from malloc */
-#define	__SAPP	0x0100		/* fdopen()ed in append mode - so must  write to end */
-#define	__SSTR	0x0200		/* this is an sprintf/snprintf string */
-#define	__SOPT	0x0400		/* do fseek() optimisation */
-#define	__SNPT	0x0800		/* do not do fseek() optimisation */
-#define	__SOFF	0x1000		/* set iff _offset is in fact correct */
-#define	__SORD	0x2000		/* true => stream orientation (byte/wide) decided */
-#if defined(__CYGWIN__)
-#  define __SCLE  0x4000        /* convert line endings CR/LF <-> NL */
-#endif
-#define	__SL64	0x8000		/* is 64-bit offset large file */
-
-/* _flags2 flags */
-#define	__SWID	0x2000		/* true => stream orientation wide, false => byte, only valid if __SORD in _flags is true */
-
-/*
- * The following three definitions are for ANSI C, which took them
- * from System V, which stupidly took internal interface macros and
- * made them official arguments to setvbuf(), without renaming them.
- * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
- *
- * Although these happen to match their counterparts above, the
- * implementation does not rely on that (so these could be renumbered).
- */
-#define	_IOFBF	0		/* setvbuf should set fully buffered */
-#define	_IOLBF	1		/* setvbuf should set line buffered */
-#define	_IONBF	2		/* setvbuf should set unbuffered */
-
-#ifndef NULL
-#define	NULL	0
-#endif
-
-#define	EOF	(-1)
-
-#ifdef __BUFSIZ__
-#define	BUFSIZ		__BUFSIZ__
-#else
-#define	BUFSIZ		1024
-#endif
+#ifndef _STDIO_H
+#define _STDIO_H
 
-#ifdef __FOPEN_MAX__
-#define FOPEN_MAX	__FOPEN_MAX__
-#else
-#define	FOPEN_MAX	20
+#ifdef __cplusplus
+extern "C" {
 #endif
 
-#ifdef __FILENAME_MAX__
-#define FILENAME_MAX    __FILENAME_MAX__
-#else
-#define	FILENAME_MAX	1024
-#endif
+#include <features.h>
 
-#ifdef __L_tmpnam__
-#define L_tmpnam	__L_tmpnam__
-#else
-#define	L_tmpnam	FILENAME_MAX
-#endif
-
-#ifndef __STRICT_ANSI__
-#define P_tmpdir        "/tmp"
-#endif
+#define __NEED_FILE
+#define __NEED___isoc_va_list
+#define __NEED_size_t
 
-#ifndef SEEK_SET
-#define	SEEK_SET	0	/* set file offset to offset */
-#endif
-#ifndef SEEK_CUR
-#define	SEEK_CUR	1	/* set file offset to current plus offset */
-#endif
-#ifndef SEEK_END
-#define	SEEK_END	2	/* set file offset to EOF plus offset */
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+#define __NEED_ssize_t
+#define __NEED_off_t
+#define __NEED_va_list
 #endif
 
-#define	TMP_MAX		26
-
-#if 0 /* XXX Emscripten: do not use impure stuff for std*, it makes comparing to native builds harder */
-#ifndef _REENT_ONLY
-#define	stdin	(_REENT->_stdin)
-#define	stdout	(_REENT->_stdout)
-#define	stderr	(_REENT->_stderr)
-#else /* _REENT_ONLY */
-#define	stdin	(_impure_ptr->_stdin)
-#define	stdout	(_impure_ptr->_stdout)
-#define	stderr	(_impure_ptr->_stderr)
-#endif /* _REENT_ONLY */
-#else
-extern FILE *stdin;
-extern FILE *stdout;
-extern FILE *stderr;
-#define stdin stdin
-#define stdout stdout
-#define stderr stderr
-#endif
+#include <bits/alltypes.h>
 
-#define _stdin_r(x)	((x)->_stdin)
-#define _stdout_r(x)	((x)->_stdout)
-#define _stderr_r(x)	((x)->_stderr)
+#define NULL 0L
 
-/*
- * Functions defined in ANSI C standard.
- */
+#undef EOF
+#define EOF (-1)
 
-#ifndef __VALIST
-#ifdef __GNUC__
-#define __VALIST __gnuc_va_list
-#else
-#define __VALIST char*
-#endif
-#endif
+#undef SEEK_SET
+#undef SEEK_CUR
+#undef SEEK_END
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
 
-FILE *	_EXFUN(tmpfile, (void));
-char *	_EXFUN(tmpnam, (char *));
-int	_EXFUN(fclose, (FILE *));
-int	_EXFUN(fflush, (FILE *));
-FILE *	_EXFUN(freopen, (const char *, const char *, FILE *));
-void	_EXFUN(setbuf, (FILE *, char *));
-int	_EXFUN(setvbuf, (FILE *, char *, int, size_t));
-int	_EXFUN(fprintf, (FILE *, const char *, ...)
-           _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-int	_EXFUN(fscanf, (FILE *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 3)));
-int	_EXFUN(printf, (const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 1, 2)));
-int	_EXFUN(scanf, (const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 1, 2)));
-int	_EXFUN(sscanf, (const char *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 3)));
-int	_EXFUN(vfprintf, (FILE *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-int	_EXFUN(vprintf, (const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 1, 0)));
-int	_EXFUN(vsprintf, (char *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-int	_EXFUN(fgetc, (FILE *));
-char *  _EXFUN(fgets, (char *, int, FILE *));
-int	_EXFUN(fputc, (int, FILE *));
-int	_EXFUN(fputs, (const char *, FILE *));
-int	_EXFUN(getc, (FILE *));
-int	_EXFUN(getchar, (void));
-char *  _EXFUN(gets, (char *));
-int	_EXFUN(putc, (int, FILE *));
-int	_EXFUN(putchar, (int));
-int	_EXFUN(puts, (const char *));
-int	_EXFUN(ungetc, (int, FILE *));
-size_t	_EXFUN(fread, (_PTR, size_t _size, size_t _n, FILE *));
-size_t	_EXFUN(fwrite, (const _PTR , size_t _size, size_t _n, FILE *));
-#ifdef _COMPILING_NEWLIB
-int	_EXFUN(fgetpos, (FILE *, _fpos_t *));
-#else
-int	_EXFUN(fgetpos, (FILE *, fpos_t *));
-#endif
-int	_EXFUN(fseek, (FILE *, long, int));
-#ifdef _COMPILING_NEWLIB
-int	_EXFUN(fsetpos, (FILE *, const _fpos_t *));
-#else
-int	_EXFUN(fsetpos, (FILE *, const fpos_t *));
-#endif
-long	_EXFUN(ftell, ( FILE *));
-void	_EXFUN(rewind, (FILE *));
-void	_EXFUN(clearerr, (FILE *));
-int	_EXFUN(feof, (FILE *));
-int	_EXFUN(ferror, (FILE *));
-void    _EXFUN(perror, (const char *));
-#ifndef _REENT_ONLY
-FILE *	_EXFUN(fopen, (const char *_name, const char *_type));
-int	_EXFUN(sprintf, (char *, const char *, ...)
-           _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-int	_EXFUN(remove, (const char *));
-int	_EXFUN(rename, (const char *, const char *));
-#endif
-#if !defined(__STRICT_ANSI__) || defined(__USE_XOPEN2K)
-#ifdef _COMPILING_NEWLIB
-int	_EXFUN(fseeko, (FILE *, _off_t, int));
-_off_t	_EXFUN(ftello, ( FILE *));
-#else
-int	_EXFUN(fseeko, (FILE *, off_t, int));
-off_t	_EXFUN(ftello, ( FILE *));
-#endif
-#endif
-#if !defined(__STRICT_ANSI__) || (__STDC_VERSION__ >= 199901L)
-#ifndef _REENT_ONLY
-int	_EXFUN(asiprintf, (char **, const char *, ...)
-           _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-char *	_EXFUN(asniprintf, (char *, size_t *, const char *, ...)
-                _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-char *	_EXFUN(asnprintf, (char *, size_t *, const char *, ...)
-                _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(asprintf, (char **, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-#ifndef diprintf
-int	_EXFUN(diprintf, (int, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-#endif
-int	_EXFUN(fcloseall, (_VOID));
-int	_EXFUN(fiprintf, (FILE *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-int	_EXFUN(fiscanf, (FILE *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 3)));
-int	_EXFUN(iprintf, (const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 1, 2)));
-int	_EXFUN(iscanf, (const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 1, 2)));
-int	_EXFUN(siprintf, (char *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-int	_EXFUN(siscanf, (const char *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 3)));
-int	_EXFUN(snprintf, (char *, size_t, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(sniprintf, (char *, size_t, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-char *	_EXFUN(tempnam, (const char *, const char *));
-int	_EXFUN(vasiprintf, (char **, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-char *	_EXFUN(vasniprintf, (char *, size_t *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-char *	_EXFUN(vasnprintf, (char *, size_t *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(vasprintf, (char **, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-int	_EXFUN(vdiprintf, (int, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-int	_EXFUN(vfiprintf, (FILE *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-int	_EXFUN(vfiscanf, (FILE *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 0)));
-int	_EXFUN(vfscanf, (FILE *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 0)));
-int	_EXFUN(viprintf, (const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 1, 0)));
-int	_EXFUN(viscanf, (const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 1, 0)));
-int	_EXFUN(vscanf, (const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 1, 0)));
-int	_EXFUN(vsiprintf, (char *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-int	_EXFUN(vsiscanf, (const char *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 0)));
-int	_EXFUN(vsniprintf, (char *, size_t, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(vsnprintf, (char *, size_t, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(vsscanf, (const char *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 0)));
-#endif /* !_REENT_ONLY */
-#endif /* !__STRICT_ANSI__ */
-
-/*
- * Routines in POSIX 1003.1:2001.
- */
-
-#ifndef __STRICT_ANSI__
-#ifndef _REENT_ONLY
-FILE *	_EXFUN(fdopen, (int, const char *));
-#endif
-int	_EXFUN(fileno, (FILE *));
-int	_EXFUN(getw, (FILE *));
-int	_EXFUN(pclose, (FILE *));
-FILE *  _EXFUN(popen, (const char *, const char *));
-int	_EXFUN(putw, (int, FILE *));
-void    _EXFUN(setbuffer, (FILE *, char *, int));
-int	_EXFUN(setlinebuf, (FILE *));
-int	_EXFUN(getc_unlocked, (FILE *));
-int	_EXFUN(getchar_unlocked, (void));
-void	_EXFUN(flockfile, (FILE *));
-int	_EXFUN(ftrylockfile, (FILE *));
-void	_EXFUN(funlockfile, (FILE *));
-int	_EXFUN(putc_unlocked, (int, FILE *));
-int	_EXFUN(putchar_unlocked, (int));
-#endif /* ! __STRICT_ANSI__ */
-
-/*
- * Routines in POSIX 1003.1:200x.
- */
-
-#ifndef __STRICT_ANSI__
-# ifndef _REENT_ONLY
-#  ifndef dprintf
-int	_EXFUN(dprintf, (int, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-#  endif
-FILE *	_EXFUN(fmemopen, (void *, size_t, const char *));
-/* getdelim - see __getdelim for now */
-/* getline - see __getline for now */
-FILE *	_EXFUN(open_memstream, (char **, size_t *));
-#if defined (__CYGWIN__)
-int	_EXFUN(renameat, (int, const char *, int, const char *));
-#endif
-int	_EXFUN(vdprintf, (int, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-# endif
-#endif
-
-/*
- * Recursive versions of the above.
- */
-
-int	_EXFUN(_asiprintf_r, (struct _reent *, char **, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-char *	_EXFUN(_asniprintf_r, (struct _reent *, char *, size_t *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 4, 5)));
-char *	_EXFUN(_asnprintf_r, (struct _reent *, char *, size_t *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 4, 5)));
-int	_EXFUN(_asprintf_r, (struct _reent *, char **, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(_diprintf_r, (struct _reent *, int, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(_dprintf_r, (struct _reent *, int, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(_fclose_r, (struct _reent *, FILE *));
-int	_EXFUN(_fcloseall_r, (struct _reent *));
-FILE *	_EXFUN(_fdopen_r, (struct _reent *, int, const char *));
-int	_EXFUN(_fflush_r, (struct _reent *, FILE *));
-int	_EXFUN(_fgetc_r, (struct _reent *, FILE *));
-char *  _EXFUN(_fgets_r, (struct _reent *, char *, int, FILE *));
-#ifdef _COMPILING_NEWLIB
-int	_EXFUN(_fgetpos_r, (struct _reent *, FILE *, _fpos_t *));
-int	_EXFUN(_fsetpos_r, (struct _reent *, FILE *, const _fpos_t *));
-#else
-int	_EXFUN(_fgetpos_r, (struct _reent *, FILE *, fpos_t *));
-int	_EXFUN(_fsetpos_r, (struct _reent *, FILE *, const fpos_t *));
-#endif
-int	_EXFUN(_fiprintf_r, (struct _reent *, FILE *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(_fiscanf_r, (struct _reent *, FILE *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 3, 4)));
-FILE *	_EXFUN(_fmemopen_r, (struct _reent *, void *, size_t, const char *));
-FILE *	_EXFUN(_fopen_r, (struct _reent *, const char *, const char *));
-FILE *	_EXFUN(_freopen_r, (struct _reent *, const char *, const char *, FILE *));
-int	_EXFUN(_fprintf_r, (struct _reent *, FILE *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(_fpurge_r, (struct _reent *, FILE *));
-int	_EXFUN(_fputc_r, (struct _reent *, int, FILE *));
-int	_EXFUN(_fputs_r, (struct _reent *, const char *, FILE *));
-size_t	_EXFUN(_fread_r, (struct _reent *, _PTR, size_t _size, size_t _n, FILE *));
-int	_EXFUN(_fscanf_r, (struct _reent *, FILE *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 3, 4)));
-int	_EXFUN(_fseek_r, (struct _reent *, FILE *, long, int));
-int	_EXFUN(_fseeko_r,(struct _reent *, FILE *, _off_t, int));
-long	_EXFUN(_ftell_r, (struct _reent *, FILE *));
-_off_t	_EXFUN(_ftello_r,(struct _reent *, FILE *));
-void	_EXFUN(_rewind_r, (struct _reent *, FILE *));
-size_t	_EXFUN(_fwrite_r, (struct _reent *, const _PTR , size_t _size, size_t _n, FILE *));
-int	_EXFUN(_getc_r, (struct _reent *, FILE *));
-int	_EXFUN(_getc_unlocked_r, (struct _reent *, FILE *));
-int	_EXFUN(_getchar_r, (struct _reent *));
-int	_EXFUN(_getchar_unlocked_r, (struct _reent *));
-char *	_EXFUN(_gets_r, (struct _reent *, char *));
-int	_EXFUN(_iprintf_r, (struct _reent *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-int	_EXFUN(_iscanf_r, (struct _reent *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 3)));
-FILE *	_EXFUN(_open_memstream_r, (struct _reent *, char **, size_t *));
-void	_EXFUN(_perror_r, (struct _reent *, const char *));
-int	_EXFUN(_printf_r, (struct _reent *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 2, 3)));
-int	_EXFUN(_putc_r, (struct _reent *, int, FILE *));
-int	_EXFUN(_putc_unlocked_r, (struct _reent *, int, FILE *));
-int	_EXFUN(_putchar_unlocked_r, (struct _reent *, int));
-int	_EXFUN(_putchar_r, (struct _reent *, int));
-int	_EXFUN(_puts_r, (struct _reent *, const char *));
-int	_EXFUN(_remove_r, (struct _reent *, const char *));
-int	_EXFUN(_rename_r, (struct _reent *,
-			   const char *_old, const char *_new));
-int	_EXFUN(_scanf_r, (struct _reent *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 3)));
-int	_EXFUN(_siprintf_r, (struct _reent *, char *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(_siscanf_r, (struct _reent *, const char *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 3, 4)));
-int	_EXFUN(_sniprintf_r, (struct _reent *, char *, size_t, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 4, 5)));
-int	_EXFUN(_snprintf_r, (struct _reent *, char *, size_t, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 4, 5)));
-int	_EXFUN(_sprintf_r, (struct _reent *, char *, const char *, ...)
-               _ATTRIBUTE (__format__ (__printf__, 3, 4)));
-int	_EXFUN(_sscanf_r, (struct _reent *, const char *, const char *, ...)
-               _ATTRIBUTE (__format__ (__scanf__, 3, 4)));
-char *	_EXFUN(_tempnam_r, (struct _reent *, const char *, const char *));
-FILE *	_EXFUN(_tmpfile_r, (struct _reent *));
-char *	_EXFUN(_tmpnam_r, (struct _reent *, char *));
-int	_EXFUN(_ungetc_r, (struct _reent *, int, FILE *));
-int	_EXFUN(_vasiprintf_r, (struct _reent *, char **, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-char *	_EXFUN(_vasniprintf_r, (struct _reent*, char *, size_t *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 4, 0)));
-char *	_EXFUN(_vasnprintf_r, (struct _reent*, char *, size_t *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 4, 0)));
-int	_EXFUN(_vasprintf_r, (struct _reent *, char **, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(_vdiprintf_r, (struct _reent *, int, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(_vdprintf_r, (struct _reent *, int, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(_vfiprintf_r, (struct _reent *, FILE *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(_vfiscanf_r, (struct _reent *, FILE *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 3, 0)));
-int	_EXFUN(_vfprintf_r, (struct _reent *, FILE *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(_vfscanf_r, (struct _reent *, FILE *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 3, 0)));
-int	_EXFUN(_viprintf_r, (struct _reent *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-int	_EXFUN(_viscanf_r, (struct _reent *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 0)));
-int	_EXFUN(_vprintf_r, (struct _reent *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 2, 0)));
-int	_EXFUN(_vscanf_r, (struct _reent *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 2, 0)));
-int	_EXFUN(_vsiprintf_r, (struct _reent *, char *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(_vsiscanf_r, (struct _reent *, const char *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 3, 0)));
-int	_EXFUN(_vsniprintf_r, (struct _reent *, char *, size_t, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 4, 0)));
-int	_EXFUN(_vsnprintf_r, (struct _reent *, char *, size_t, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 4, 0)));
-int	_EXFUN(_vsprintf_r, (struct _reent *, char *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__printf__, 3, 0)));
-int	_EXFUN(_vsscanf_r, (struct _reent *, const char *, const char *, __VALIST)
-               _ATTRIBUTE (__format__ (__scanf__, 3, 0)));
-
-/* Other extensions.  */
-
-int	_EXFUN(fpurge, (FILE *));
-ssize_t _EXFUN(__getdelim, (char **, size_t *, int, FILE *));
-ssize_t _EXFUN(__getline, (char **, size_t *, FILE *));
-
-#ifdef __LARGE64_FILES
-#if !defined(__CYGWIN__) || defined(_COMPILING_NEWLIB)
-FILE *	_EXFUN(fdopen64, (int, const char *));
-FILE *  _EXFUN(fopen64, (const char *, const char *));
-FILE *  _EXFUN(freopen64, (_CONST char *, _CONST char *, FILE *));
-_off64_t _EXFUN(ftello64, (FILE *));
-_off64_t _EXFUN(fseeko64, (FILE *, _off64_t, int));
-int     _EXFUN(fgetpos64, (FILE *, _fpos64_t *));
-int     _EXFUN(fsetpos64, (FILE *, const _fpos64_t *));
-FILE *  _EXFUN(tmpfile64, (void));
-
-FILE *	_EXFUN(_fdopen64_r, (struct _reent *, int, const char *));
-FILE *  _EXFUN(_fopen64_r, (struct _reent *,const char *, const char *));
-FILE *  _EXFUN(_freopen64_r, (struct _reent *, _CONST char *, _CONST char *, FILE *));
-_off64_t _EXFUN(_ftello64_r, (struct _reent *, FILE *));
-_off64_t _EXFUN(_fseeko64_r, (struct _reent *, FILE *, _off64_t, int));
-int     _EXFUN(_fgetpos64_r, (struct _reent *, FILE *, _fpos64_t *));
-int     _EXFUN(_fsetpos64_r, (struct _reent *, FILE *, const _fpos64_t *));
-FILE *  _EXFUN(_tmpfile64_r, (struct _reent *));
-#endif /* !__CYGWIN__ */
-#endif /* __LARGE64_FILES */
-
-/*
- * Routines internal to the implementation.
- */
-
-int	_EXFUN(__srget_r, (struct _reent *, FILE *));
-int	_EXFUN(__swbuf_r, (struct _reent *, int, FILE *));
-
-/*
- * Stdio function-access interface.
- */
-
-#ifndef __STRICT_ANSI__
-# ifdef __LARGE64_FILES
-FILE	*_EXFUN(funopen,(const _PTR __cookie,
-		int (*__readfn)(_PTR __c, char *__buf, int __n),
-		int (*__writefn)(_PTR __c, const char *__buf, int __n),
-		_fpos64_t (*__seekfn)(_PTR __c, _fpos64_t __off, int __whence),
-		int (*__closefn)(_PTR __c)));
-FILE	*_EXFUN(_funopen_r,(struct _reent *, const _PTR __cookie,
-		int (*__readfn)(_PTR __c, char *__buf, int __n),
-		int (*__writefn)(_PTR __c, const char *__buf, int __n),
-		_fpos64_t (*__seekfn)(_PTR __c, _fpos64_t __off, int __whence),
-		int (*__closefn)(_PTR __c)));
-# else
-FILE	*_EXFUN(funopen,(const _PTR __cookie,
-		int (*__readfn)(_PTR __cookie, char *__buf, int __n),
-		int (*__writefn)(_PTR __cookie, const char *__buf, int __n),
-		fpos_t (*__seekfn)(_PTR __cookie, fpos_t __off, int __whence),
-		int (*__closefn)(_PTR __cookie)));
-FILE	*_EXFUN(_funopen_r,(struct _reent *, const _PTR __cookie,
-		int (*__readfn)(_PTR __cookie, char *__buf, int __n),
-		int (*__writefn)(_PTR __cookie, const char *__buf, int __n),
-		fpos_t (*__seekfn)(_PTR __cookie, fpos_t __off, int __whence),
-		int (*__closefn)(_PTR __cookie)));
-# endif /* !__LARGE64_FILES */
-
-# define	fropen(__cookie, __fn) funopen(__cookie, __fn, (int (*)())0, \
-					       (fpos_t (*)())0, (int (*)())0)
-# define	fwopen(__cookie, __fn) funopen(__cookie, (int (*)())0, __fn, \
-					       (fpos_t (*)())0, (int (*)())0)
-
-typedef ssize_t cookie_read_function_t(void *__cookie, char *__buf, size_t __n);
-typedef ssize_t cookie_write_function_t(void *__cookie, const char *__buf,
-					size_t __n);
-# ifdef __LARGE64_FILES
-typedef int cookie_seek_function_t(void *__cookie, _off64_t *__off,
-				   int __whence);
-# else
-typedef int cookie_seek_function_t(void *__cookie, off_t *__off, int __whence);
-# endif /* !__LARGE64_FILES */
-typedef int cookie_close_function_t(void *__cookie);
-typedef struct
-{
-  /* These four struct member names are dictated by Linux; hopefully,
-     they don't conflict with any macros.  */
-  cookie_read_function_t  *read;
-  cookie_write_function_t *write;
-  cookie_seek_function_t  *seek;
-  cookie_close_function_t *close;
-} cookie_io_functions_t;
-FILE *_EXFUN(fopencookie,(void *__cookie,
-		const char *__mode, cookie_io_functions_t __functions));
-FILE *_EXFUN(_fopencookie_r,(struct _reent *, void *__cookie,
-		const char *__mode, cookie_io_functions_t __functions));
-#endif /* ! __STRICT_ANSI__ */
-
-#ifndef __CUSTOM_FILE_IO__
-/*
- * The __sfoo macros are here so that we can 
- * define function versions in the C library.
- */
-#define       __sgetc_raw_r(__ptr, __f) (--(__f)->_r < 0 ? __srget_r(__ptr, __f) : (int)(*(__f)->_p++))
-
-#ifdef __SCLE
-/*  For a platform with CR/LF, additional logic is required by
-  __sgetc_r which would otherwise simply be a macro; therefore we
-  use an inlined function.  The function is only meant to be inlined
-  in place as used and the function body should never be emitted.  
-
-  There are two possible means to this end when compiling with GCC,
-  one when compiling with a standard C99 compiler, and for other
-  compilers we're just stuck.  At the moment, this issue only
-  affects the Cygwin target, so we'll most likely be using GCC. */
-
-_ELIDABLE_INLINE int __sgetc_r(struct _reent *__ptr, FILE *__p);
-
-_ELIDABLE_INLINE int __sgetc_r(struct _reent *__ptr, FILE *__p)
-  {
-    int __c = __sgetc_raw_r(__ptr, __p);
-    if ((__p->_flags & __SCLE) && (__c == '\r'))
-      {
-      int __c2 = __sgetc_raw_r(__ptr, __p);
-      if (__c2 == '\n')
-        __c = __c2;
-      else
-        ungetc(__c2, __p);
-      }
-    return __c;
-  }
-#else
-#define __sgetc_r(__ptr, __p) __sgetc_raw_r(__ptr, __p)
-#endif
-
-#ifdef _never /* __GNUC__ */
-/* If this inline is actually used, then systems using coff debugging
-   info get hopelessly confused.  21sept93 rich@cygnus.com.  */
-_ELIDABLE_INLINE int __sputc_r(struct _reent *_ptr, int _c, FILE *_p) {
-	if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
-		return (*_p->_p++ = _c);
-	else
-		return (__swbuf_r(_ptr, _c, _p));
+#define _IOFBF 0
+#define _IOLBF 1
+#define _IONBF 2
+
+#define BUFSIZ 1024
+#define FILENAME_MAX 4096
+#define FOPEN_MAX 1000
+#define TMP_MAX 10000
+#define L_tmpnam 20
+
+typedef union _G_fpos64_t {
+	char __opaque[16];
+	double __align;
+} fpos_t;
+
+extern FILE *const stdin;
+extern FILE *const stdout;
+extern FILE *const stderr;
+
+#define stdin  (stdin)
+#define stdout (stdout)
+#define stderr (stderr)
+
+FILE *fopen(const char *__restrict, const char *__restrict);
+FILE *freopen(const char *__restrict, const char *__restrict, FILE *__restrict);
+int fclose(FILE *);
+
+int remove(const char *);
+int rename(const char *, const char *);
+
+int feof(FILE *);
+int ferror(FILE *);
+int fflush(FILE *);
+void clearerr(FILE *);
+
+int fseek(FILE *, long, int);
+long ftell(FILE *);
+void rewind(FILE *);
+
+int fgetpos(FILE *__restrict, fpos_t *__restrict);
+int fsetpos(FILE *, const fpos_t *);
+
+size_t fread(void *__restrict, size_t, size_t, FILE *__restrict);
+size_t fwrite(const void *__restrict, size_t, size_t, FILE *__restrict);
+
+int fgetc(FILE *);
+int getc(FILE *);
+int getchar(void);
+int ungetc(int, FILE *);
+
+int fputc(int, FILE *);
+int putc(int, FILE *);
+int putchar(int);
+
+char *fgets(char *__restrict, int, FILE *__restrict);
+#if __STDC_VERSION__ < 201112L
+char *gets(char *);
+#endif
+
+int fputs(const char *__restrict, FILE *__restrict);
+int puts(const char *);
+
+int printf(const char *__restrict, ...);
+int fprintf(FILE *__restrict, const char *__restrict, ...);
+int sprintf(char *__restrict, const char *__restrict, ...);
+int snprintf(char *__restrict, size_t, const char *__restrict, ...);
+
+int vprintf(const char *__restrict, __isoc_va_list);
+int vfprintf(FILE *__restrict, const char *__restrict, __isoc_va_list);
+int vsprintf(char *__restrict, const char *__restrict, __isoc_va_list);
+int vsnprintf(char *__restrict, size_t, const char *__restrict, __isoc_va_list);
+
+int scanf(const char *__restrict, ...);
+int fscanf(FILE *__restrict, const char *__restrict, ...);
+int sscanf(const char *__restrict, const char *__restrict, ...);
+int vscanf(const char *__restrict, __isoc_va_list);
+int vfscanf(FILE *__restrict, const char *__restrict, __isoc_va_list);
+int vsscanf(const char *__restrict, const char *__restrict, __isoc_va_list);
+
+void perror(const char *);
+
+int setvbuf(FILE *__restrict, char *__restrict, int, size_t);
+void setbuf(FILE *__restrict, char *__restrict);
+
+char *tmpnam(char *);
+FILE *tmpfile(void);
+
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+FILE *fmemopen(void *__restrict, size_t, const char *__restrict);
+FILE *open_memstream(char **, size_t *);
+FILE *fdopen(int, const char *);
+FILE *popen(const char *, const char *);
+int pclose(FILE *);
+int fileno(FILE *);
+int fseeko(FILE *, off_t, int);
+off_t ftello(FILE *);
+int dprintf(int, const char *__restrict, ...);
+int vdprintf(int, const char *__restrict, __isoc_va_list);
+void flockfile(FILE *);
+int ftrylockfile(FILE *);
+void funlockfile(FILE *);
+int getc_unlocked(FILE *);
+int getchar_unlocked(void);
+int putc_unlocked(int, FILE *);
+int putchar_unlocked(int);
+ssize_t getdelim(char **__restrict, size_t *__restrict, int, FILE *__restrict);
+ssize_t getline(char **__restrict, size_t *__restrict, FILE *__restrict);
+int renameat(int, const char *, int, const char *);
+char *ctermid(char *);
+#define L_ctermid 20
+#endif
+
+
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+#define P_tmpdir "/tmp"
+char *tempnam(const char *, const char *);
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define L_cuserid 20
+char *cuserid(char *);
+void setlinebuf(FILE *);
+void setbuffer(FILE *, char *, size_t);
+int fgetc_unlocked(FILE *);
+int fputc_unlocked(int, FILE *);
+int fflush_unlocked(FILE *);
+size_t fread_unlocked(void *, size_t, size_t, FILE *);
+size_t fwrite_unlocked(const void *, size_t, size_t, FILE *);
+void clearerr_unlocked(FILE *);
+int feof_unlocked(FILE *);
+int ferror_unlocked(FILE *);
+int fileno_unlocked(FILE *);
+int getw(FILE *);
+int putw(int, FILE *);
+char *fgetln(FILE *, size_t *);
+int asprintf(char **, const char *, ...);
+int vasprintf(char **, const char *, __isoc_va_list);
+#endif
+
+#ifdef _GNU_SOURCE
+char *fgets_unlocked(char *, int, FILE *);
+int fputs_unlocked(const char *, FILE *);
+#endif
+
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#define tmpfile64 tmpfile
+#define fopen64 fopen
+#define freopen64 freopen
+#define fseeko64 fseeko
+#define ftello64 ftello
+#define fgetpos64 fgetpos
+#define fsetpos64 fsetpos
+#define fpos64_t fpos_t
+#define off64_t off_t
+#endif
+
+#ifdef __cplusplus
 }
-#else
-/*
- * This has been tuned to generate reasonable code on the vax using pcc
- */
-#define       __sputc_raw_r(__ptr, __c, __p) \
-	(--(__p)->_w < 0 ? \
-		(__p)->_w >= (__p)->_lbfsize ? \
-			(*(__p)->_p = (__c)), *(__p)->_p != '\n' ? \
-				(int)*(__p)->_p++ : \
-				__swbuf_r(__ptr, '\n', __p) : \
-			__swbuf_r(__ptr, (int)(__c), __p) : \
-		(*(__p)->_p = (__c), (int)*(__p)->_p++))
-#ifdef __SCLE
-#define __sputc_r(__ptr, __c, __p) \
-        ((((__p)->_flags & __SCLE) && ((__c) == '\n')) \
-          ? __sputc_raw_r(__ptr, '\r', (__p)) : 0 , \
-        __sputc_raw_r((__ptr), (__c), (__p)))
-#else
-#define __sputc_r(__ptr, __c, __p) __sputc_raw_r(__ptr, __c, __p)
 #endif
-#endif
-
-#define	__sfeof(p)	(((p)->_flags & __SEOF) != 0)
-#define	__sferror(p)	(((p)->_flags & __SERR) != 0)
-#define	__sclearerr(p)	((void)((p)->_flags &= ~(__SERR|__SEOF)))
-#define	__sfileno(p)	((p)->_file)
 
-#if 0 /* XXX Emscripten ndef _REENT_SMALL */
-#define	feof(p)		__sfeof(p)
-#define	ferror(p)	__sferror(p)
-#define	clearerr(p)	__sclearerr(p)
 #endif
-
-#if 0 /*ndef __STRICT_ANSI__ - FIXME: must initialize stdio first, use fn */
-#define	fileno(p)	__sfileno(p)
-#endif
-
-#if !defined(__CYGWIN__) && !defined(EMSCRIPTEN)
-#ifndef lint
-#define	getc(fp)	__sgetc_r(_REENT, fp)
-#define putc(x, fp)	__sputc_r(_REENT, x, fp)
-#endif /* lint */
-#endif /* __CYGWIN__ */
-
-#ifndef __STRICT_ANSI__
-/* fast always-buffered version, true iff error */
-#define	fast_putc(x,p) (--(p)->_w < 0 ? \
-	__swbuf_r(_REENT, (int)(x), p) == EOF : (*(p)->_p = (x), (p)->_p++, 0))
-
-#define	L_cuserid	9		/* posix says it goes in stdio.h :( */
-#if defined(__CYGWIN__) || defined(EMSCRIPTEN)
-#define L_ctermid       16
-#endif
-#endif
-
-#endif /* !__CUSTOM_FILE_IO__ */
-
-#define	getchar()	getc(stdin)
-#define	putchar(x)	putc(x, stdout)
-
-_END_STD_C
-
-#endif /* _STDIO_H_ */