stringprep - API function
int stringprep(char * in, size_t maxlen, Stringprep_profile_flags flags, const Stringprep_profile * profile);
Prepare the input zero terminated UTF-8 string according to the stringprep profile, and write back the result to the input string.
Note that you must convert strings entered in the systems locale into UTF-8 before using this function, see stringprep_locale_to_utf8().
Since the stringprep operation can expand the string, maxlen indicate how large the buffer holding the string is. This function will not read or write to characters outside that size.
The flags are one of Stringprep_profile_flags values, or 0.
The profile contain the Stringprep_profile instructions to perform. Your application can define new profiles, possibly re-using the generic stringprep tables that always will be part of the library, or use one of the currently supported profiles.
Return value: Returns STRINGPREP_OK iff successful, or an error code.
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