pa_adr_shorthex
extern int pa_adr_shorthex(pr_context_t *context, int status, int flag);
table_init(TAG_SOCKTYPE, "type", pa_adr_shorthex, T_ATTRIBUTE);
table_init(TAG_SOCKPORT, "port", pa_adr_shorthex, T_ATTRIBUTE);
table_init(TAG_SOCKEXDOM, "sock_domain", pa_adr_shorthex, T_ATTRIBUTE);
table_init(TAG_SOCKEXTYPE, "sock_type", pa_adr_shorthex, T_ATTRIBUTE);