// ----------------------------------------------------------------------------
// $Id$
// ----------------------------------------------------------------------------
// 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 __WCHAR_H

// TODO: Documentation

// ----------------------------------------------------------------------------
// MACROS

#define NULL       0
#define WCHAR_MAX  // TODO - personality?
#define WCHAR_MIN  // TODO - personality?
#define WEOF       // TODO - personality?

// ----------------------------------------------------------------------------
// TYPEDEFS

typedef mbstate_t; // TODO - personality?
typedef size_t;    // TODO - personality?
typedef wint_t;    // TODO - personality?
struct tm;         // TODO - personality?

#ifndef __cplusplus
typedef wchar_t;   // TODO - personality?
#endif // __cplusplus

// ----------------------------------------------------------------------------
// 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