C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
wcstombs, _fwcstombs
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <stdlib.h>
 
  Syntax:    size_t wcstombs( char *mbstr, const wchar_t *wcstr,
                              size_t count );
 
             size_t _fwcstombs( char __far *mbstr,
                                const wchar_t __far *wcstr, size_t count );
 
  Returns:   the number of converted multibyte characters, excluding the
             NULL character, if successful; -1 cast to size_t, if not.
 
  See also:  mblen, mbstowcs, mbtowc, wchar_t, wctomb, MB_CUR_MAX,
             MB_LEN_MAX
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