gsasl_stringprep_trace - API function

       const char * in
                   input ASCII or UTF-8 string with data to prepare according to "trace".

       int * stringprep_rc
                   pointer  to  output  variable  with stringprep error code, or NULL to indicate that you don't
                   care about it.

       Copyright © 2002-2021 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.

       No replacement functionality in GNU SASL, use GNU Libidn instead.

       Process a Unicode string for use as trace information, according to the "trace" stringprep profile.   The
       profile is designed for use with the SASL ANONYMOUS Mechanism.

       Return  value: Return a newly allocated string that is the "trace" processed form of the input string, or
       NULL on error, in which case  stringprep_rc contain the stringprep library error code.

       gsasl_stringprep_trace - API function

       Report bugs to <bug-gsasl@gnu.org>.
       General guidelines for reporting bugs: http://www.gnu.org/gethelp/
       GNU SASL home page: http://www.gnu.org/software/gsasl/

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

              infogsasl

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

              http://www.gnu.org/software/gsasl/manual/

gsasl                                                1.10.0                            gsasl_stringprep_trace(3)

#include<gsasl.h>char*gsasl_stringprep_trace(constchar*in,int*stringprep_rc);