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wcstombs(3)              BSD Library Functions Manual              wcstombs(3)


NAME

     wcstombs, wcstombs_l -- convert a wide-character string to a character
     string


LIBRARY

     Standard C Library (libc, -lc)


SYNOPSIS

     #include <stdlib.h>

     size_t
     wcstombs(char *restrict s, const wchar_t *restrict pwcs, size_t n);

     #include <stdlib.h>
     #include <xlocale.h>

     size_t
     wcstombs_l(char *restrict s, const wchar_t *restrict pwcs, size_t n,
         locale_t loc);


DESCRIPTION

     The wcstombs() function converts a wide character string pwcs into a
     multibyte character string, s, beginning in the initial conversion state.
     Up to n bytes are stored in s.  Partial multibyte characters at the end
     of the string are not stored.  The multibyte character string is null
     terminated, if there is room.

     Although the wcstombs() function uses the current locale, the
     wcstombs_l() function may be passed a locale directly. See xlocale(3) for
     more information.


RETURN VALUES

     The wcstombs() function returns the number of bytes converted (not
     including any terminating null), if successful; otherwise, it returns
     (size_t)-1.


ERRORS

     The wcstombs() function will fail if:

     [EILSEQ]           An invalid wide character was encountered.

     [EINVAL]           The conversion state is invalid.


SEE ALSO

     mbstowcs(3), multibyte(3), wcsrtombs(3), wctomb(3), xlocale(3)


STANDARDS

     The wcstombs() function conforms to ISO/IEC 9899:1999 (``ISO C99'').

BSD                              April 8, 2004                             BSD

Mac OS X 10.8 - Generated Fri Aug 31 19:27:33 CDT 2012
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