NAME

       stringprep_ucs4_to_utf8 - API function

SYNOPSIS

       #include <stringprep.h>

       char  *  stringprep_ucs4_to_utf8(const  uint32_t  * str, ssize_t len, size_t * items_read,
       size_t * items_written);

ARGUMENTS

       const uint32_t * str
                   a UCS-4 encoded string

       ssize_t len the maximum length of  str to use. If  len < 0, then the string is  terminated
                   with a 0 character.

       size_t * items_read
                   location to store number of characters read read, or NULL.

       size_t * items_written
                   location to store number of bytes written or NULL.  The value here stored does
                   not include the trailing 0 byte.

DESCRIPTION

       Convert a string from a 32-bit fixed width representation as UCS-4.  to UTF-8. The  result
       will be terminated with a 0 byte.

       Return value: a pointer to a newly allocated UTF-8 string.  This value must be deallocated
       by the caller.  If an error occurs, NULL will be returned.

REPORTING BUGS

       Report bugs to <help-libidn@gnu.org>.
       General guidelines for reporting bugs: https://www.gnu.org/gethelp/
       GNU Libidn home page: https://www.gnu.org/software/libidn/

COPYRIGHT

       Copyright © 2002-2022 Simon Josefsson.
       Copying and distribution of this file, with or without modification, are permitted in  any
       medium without royalty provided the copyright notice and this notice are preserved.

SEE ALSO

       The  full  documentation  for  libidn  is maintained as a Texinfo manual.  If the info and
       libidn programs are properly installed at your site, the command

              info libidn

       should give you access to the complete manual.  As  an  alternative  you  may  obtain  the
       manual from:

              https://www.gnu.org/software/libidn/manual/