Returns the raw value associated with key under group_name.
Use g_key_file_get_string() to retrieve an unescaped UTF-8 string.
In the event the key cannot be found, NULL is returned and
error is set to G_KEY_FILE_ERROR_KEY_NOT_FOUND. In the
event that the group_name cannot be found, NULL is returned
and error is set to G_KEY_FILE_ERROR_GROUP_NOT_FOUND.
Since 2.6
Returns the raw value associated with key under group_name. Use g_key_file_get_string() to retrieve an unescaped UTF-8 string. In the event the key cannot be found, NULL is returned and error is set to G_KEY_FILE_ERROR_KEY_NOT_FOUND. In the event that the group_name cannot be found, NULL is returned and error is set to G_KEY_FILE_ERROR_GROUP_NOT_FOUND. Since 2.6