stringprep_profile (3) - Linux Manuals

stringprep_profile: API function


stringprep_profile - API function


#include <stringprep.h>

int stringprep_profile(const char * in, char ** out, const char * profile, Stringprep_profile_flags flags);


const char * in
input array with UTF-8 string to prepare.
char ** out
output variable with pointer to newly allocate string.
const char * profile
name of stringprep profile to use.
Stringprep_profile_flags flags
a Stringprep_profile_flags value, or 0.


Prepare the input zero terminated UTF-8 string according to the stringprep profile, and return the result in a newly allocated variable.

Note that you must convert strings entered in the systems locale into UTF-8 before using this function, see stringprep_locale_to_utf8().

The output out variable must be deallocated by the caller.

The flags are one of Stringprep_profile_flags values, or 0.

The profile specifies the name of the stringprep profile to use. It must be one of the internally supported stringprep profiles.


Returns STRINGPREP_OK iff successful, or an error code.


Report bugs to <bug-libidn [at]>. GNU Libidn home page: General help using GNU software:


Copyright © 2002-2013 Simon Josefsson.
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