* of this array should be preallocated by the user with at least
* CFG_NAME_LEN characters.
* @param max_sections
* Maximum number of section names to be stored in sections array
* @return
* of this array should be preallocated by the user with at least
* CFG_NAME_LEN characters.
* @param max_sections
* Maximum number of section names to be stored in sections array
* @return