/* ----------------------------------------------------------------------------
 * $Id$
 * ----------------------------------------------------------------------------
 * Public Domain C Library - http://pdclib.sourceforge.net
 * This code is Public Domain. Use, modify, and redistribute at will.
 * ----------------------------------------------------------------------------
 * Extended multibyte and wide character utilities
 * --------------------------------------------------------------------------*/

#ifndef _WCHAR_H
#define _WCHAR_H _CHAR_H

#ifndef _NULL
#include "__intern.h"
#endif

/* TODO: Documentation */

/* ----------------------------------------------------------------------------
 * MACROS
 * --------------------------------------------------------------------------*/

#define NULL _NULL
#define WCHAR_MAX _WCHAR_MAX
#define WCHAR_MIN _WCHAR_MIN
#define WEOF _WEOF

/* ----------------------------------------------------------------------------
 * TYPEDEFS
 * --------------------------------------------------------------------------*/

/* TODO: Get struct tm into __intern.h */

#ifndef _SIZE_T
#define _SIZE_T _SIZE_T
typedef __size_t size_t;
#endif /* _SIZE_T */

#ifndef _WCHAR_T
#define _WCHAR_T _WCHAR_T
typedef __wchar_t wchar_t;
#endif /* _WCHAR_T */

#ifndef _WINT_T
#define _WINT_T _WINT_T
typedef __wint_t wint_t;
#endif /* _WINT_T */

typedef mbstate_t; /* TODO - to __intern.h / __personality.h? */

/* ----------------------------------------------------------------------------
 * FUNCTIONS
 * --------------------------------------------------------------------------*/

wint_t fgetwc( FILE * stream );
wchar_t * fgetws( wchar_t * restrict s, int n, FILE * restrict stream );
wint_t fputwc( wchar_t c, FILE * stream );
int fputws( const wchar_t * restrict s, FILE * restrict stream );
int fwide( FILE * stream, int mode );
wint_t getwc( FILE * stream );
wint_t getwchar( void );
wint_t putwc( wchar_t c, FILE * stream );
wint_t putwchar( wchar_t c );
wint_t ungetwc( wint_t c, FILE * stream );

int fwscanf( FILE * restrict stream, const wchar_t * restrict format, ... );
int swscanf( const wchar_t * restrict s, const wchar_t * restrict format, ... );
int wscanf( const wchar_t * restrict format, ... );
int fwprintf( FILE * restrict stream, const wchar_t * restrict format, ... );
int swprintf( wchar_t * restrict s, size_t n, const wchar_t * restrict format, ... );
int wprintf( const wchar_t * restrict format, ... );
int vfwscanf( FILE * restrict stream, const wchar_t * restrict format, va_list arg );
int vswscanf( const wchar_t * restrict s, size_t n, const wchar_t * restrict format, va_list arg );
int vwscanf( const wchar_t * restrict format, va_list arg );
int vfwprintf( FILE * restrict stream, const wchar_t * restrict format, va_list arg );
int vswprintf( wchar_t * restrict s, size_t n, const wchar_t * restrict format, va_list arg );
int vwprintf( const wchar_t * restrict format, va_list arg );

size_t wcsftime( wchar_t * restrict s, size_t maxsize, const wchar_t * restrict format, const struct tm * restrict timeptr );

wint_t btowc( int c );
size_t mbrlen( const char * restrict s, size_t n, mbstate_t * restrict ps );
size_t mbrtowc( wchar_t * restrict pwc, const char * restrict s, size_t n, mbstate_t * restrict ps );
int mbsinit( const mbstate_t * ps );
size_t mbsrtowcs( wchar_t * restrict dst, const char * * restrict src, size_t len, mbstate_t * restrict ps );
size_t wcrtomb( char * restrict s, wchar_t wc, mbstate_t * restrict ps );
size_t wcsrtombs(char * restrict dst, const wchar_t * * restrict src, size_t len, mbstate_t * restrict ps );
double wcstod( const wchar_t * restrict nptr, wchar_t * * restrict endptr );
float wcstof( const wchar_t * restrict nptr, wchar_t * * restrict endptr);
long double wcstold( const wchar_t * restrict nptr, wchar_t * * restrict endptr);
long long wcstoll( const wchar_t * restrict nptr, wchar_t * * restrict endptr, int base );
unsigned long long wcstoull( const wchar_t * restrict nptr, wchar_t * * restrict endptr, int base );
long wcstol( const wchar_t * restrict nptr, wchar_t * * restrict endptr, int base );
unsigned long wcstoul( const wchar_t * restrict nptr, wchar_t * * restrict endptr, int base );
int wctob( wint_t c );

wchar_t * wcscat( wchar_t * restrict s1, const wchar_t * restrict s2);
int wcscmp( const wchar_t * s1, const wchar_t * s2 );
int wcscoll( const wchar_t * s1, const wchar_t * s2 );
wchar_t * wcscpy( wchar_t * restrict s1, const wchar_t * restrict s2 );
size_t wcscspn( const wchar_t * s1, const wchar_t * s2 );
size_t wcslen( const wchar_t * s );
wchar_t * wcsncat( wchar_t * restrict s1, const wchar_t * restrict s2, size_t n );
int wcsncmp( const wchar_t * s1, const wchar_t * s2, size_t n );
wchar_t * wcsncpy( wchar_t * restrict s1, const wchar_t * restrict s2, size_t n );
size_t wcsspn( const wchar_t * s1, const wchar_t * s2 );
wchar_t * wcsstr( const wchar_t * s1, const wchar_t * s2 );
wchar_t * wcstok( wchar_t * restrict s1, const wchar_t * restrict s2, wchar_t * * restrict ptr );
size_t wcsxfrm( wchar_t * restrict s1, const wchar_t * restrict s2, size_t n );
int wmemcmp( const wchar_t * s1, const wchar_t * s2, size_t n );
wchar_t * wmemcpy( wchar_t * restrict s1, const wchar_t * restrict s2, size_t n );
wchar_t * wmemmove( wchar_t * s1, const wchar_t * s2, size_t n );
wchar_t * wmemset( wchar_t * s, wchar_t c, size_t n );

wchar_t * wcschr( const wchar_t * s, wchar_t c ); 
wchar_t * wcspbrk( const wchar_t * s1, const wchar_t * s2 );
wchar_t * wcsrchr( const wchar_t * s, wchar_t c );
wchar_t * wcsstr( const wchar_t * s1, const wchar_t * s2 );
wchar_t * wmemchr( const wchar_t * s, wchar_t c, size_t n);

#endif /* _WCHAR_H */