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@node wcsrtombs
@section @code{wcsrtombs}
@findex wcsrtombs
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/wcsrtombs.html}
Gnulib module: wcsrtombs
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
Minix 3.1.8, HP-UX 11.00, IRIX 6.5, mingw.
@item
This function does not ignore the length argument if the destination argument is NULL on some platforms:
mingw.
@item
This function updates the source pointer also if the destination argument is NULL on some platforms:
HP-UX 11.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and
therefore cannot accommodate all Unicode characters.
However, the Gnulib function @code{c32srtombs}, provided by Gnulib module
@code{c32srtombs}, operates on 32-bit wide characters and therefore does not
have this limitation.
@end itemize
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