Function zend_fetch_class_by_name

pub unsafe extern "C" fn zend_fetch_class_by_name(
    class_name: *const c_char,
    class_name_len: uint,
    key: *const zend_literal,
    fetch_type: c_int,
    tsrm_ls: *mut *mut *mut c_void,
) -> *mut zend_class_entry