The prefix element specifies the prefix bf name of the the new replay cache type. For example, if the prefix name is ``dfl'', then if the program calls krb5_rc_resolve with a credential cache name such as ``dfl:host'', then krb5_rc_resolve will call the resolve function (as defined by the krb5_rc_ops structure where the prefix element is ``dfl'') and pass it the argument ``host''.
Before a new replay cache type can be recognized by krb5_rc_resolve, it must be registered with the Kerberos library by calling krb5_rc_register.
typedef struct _krb5_rc_ops { char *type; krb5_error_code (*init)((krb5_rcache,krb5_deltat)); krb5_error_code (*recover)((krb5_rcache)); krb5_error_code (*destroy)((krb5_rcache)); krb5_error_code (*close)((krb5_rcache)); krb5_error_code (*store)((krb5_rcache,krb5_donot_replay *)); krb5_error_code (*expunge)((krb5_rcache)); krb5_error_code (*get_span)((krb5_rcache,krb5_deltat *)); char *(*get_name)((krb5_rcache)); krb5_error_code (*resolve)((krb5_rcache, char *)); } krb5_rc_ops;