@subheading idn2_strerror_name
@anchor{idn2_strerror_name}
@deftypefun {const char *} {idn2_strerror_name} (int @var{rc})
@var{rc}: return code from another libidn2 function.

Convert internal libidn2 error code to a string corresponding to
internal header file symbols.  For example,
idn2_strerror_name(IDN2_MALLOC) will return the string
"IDN2_MALLOC".

The caller must not attempt to de-allocate the returned string.

Return value: A string corresponding to error code symbol.
@end deftypefun

