Library /sys$common/syshlp/helplib.hlb  —  CRTL  wctomb
    Converts a wide character to its multibyte character
    representation.

    Format

      #include  <stdlib.h>

      int wctomb  (char *s, wchar_t wchar);

1  –  Arguments

 s

    A pointer to the resulting multibyte character.

 wchar

    The code for the wide character.

2  –  Description

    The wctomb function converts the wide character specified by
    wchar to its multibyte character representation. If s is NULL,
    then 0 is returned. Otherwise, the number of bytes comprising the
    multibyte character is returned. At most, MB_CUR_MAX bytes are
    stored in the array object pointed to by s.

    This function is affected by the LC_CTYPE category of the
    program's current locale.

3  –  Return Values

    x                  The number of bytes comprising the multibyte
                       character corresponding to wchar.
    0                  If s is NULL.
    -1                 If wchar is not a valid character.
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