gsasl_stringprep_trace - API function
char * gsasl_stringprep_trace(const char * in, int * stringprep_rc);
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.
No replacement functionality in GNU SASL, use GNU Libidn instead.
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