#define delbit(field, flag) field &= ~(1 << (flag))
#define hasbit(field, flag) (field & (1 << (flag)))
+#define set(field, family, flag) setbit(field[family == FW3_FAMILY_V6], flag)
+#define del(field, family, flag) delbit(field[family == FW3_FAMILY_V6], flag)
+#define has(field, family, flag) hasbit(field[family == FW3_FAMILY_V6], flag)
+
#define fw3_foreach(p, h) \
for (p = list_empty(h) ? NULL : list_first_entry(h, typeof(*p), list); \
list_empty(h) ? (p == NULL) : (&p->list != (h)); \
#define fw3_no_family(flags) \
(!(flags & ((1 << FW3_FAMILY_V4) | (1 << FW3_FAMILY_V6))))
+#define fw3_no_table(flags) \
+ (!(flags & ((1<<FW3_TABLE_FILTER)|(1<<FW3_TABLE_NAT)| \
+ (1<<FW3_TABLE_MANGLE)|(1<<FW3_TABLE_RAW))))
+
+
const char * fw3_find_command(const char *cmd);
bool fw3_stdout_pipe(void);