a relative path to a filename to open and parse. [type filename]
return location for a string containing the full path of the file, or NULL. out[type filename][allow-none]
flags from GKeyFileFlags
TRUE if a key file could be loaded, FALSE othewise
GException on failure.
This function looks for a key file named file in the paths returned from g_get_user_data_dir() and g_get_system_data_dirs(), loads the file into key_file and returns the file's full path in full_path. If the file could not be loaded then an error is set to either a GFileError or GKeyFileError. Since 2.6