Retrieves a description of the error.
public size_t ULErrorInfoString( ul_error_info const * errinf, char * buffer, size_t bufferSize )
errinf The ul_error_info object.
buffer The buffer to receive the error description.
bufferSize The size, in bytes, of the buffer.
The size, in bytes, required to store the string. If the return value is larger than len, the string was truncated.