This enumerated list defines the types of underlying DBMSs that can be used by the DL module to provide services. It is the option of the DL module to disclose this information.

typedef enum cssm_dltype {
    CSSM_DL_UNKNOWN = 0,
    CSSM_DL_CUSTOM = 1,
    CSSM_DL_LDAP = 2,
    CSSM_DL_ODBC = 3,
    CSSM_DL_PKCS11 = 4,
    CSSM_DL_FFS = 5,/* flat file system or fast file system */
    CSSM_DL_MEMORY = 6, 
    CSSM_DL_REMOTEDIR = 7
} CSSM_DLTYPE, *CSSM_DLTYPE_PTR;