AUDIT_WORD
#define AUDIT_BIT(nr) (1U << ((nr) - AUDIT_WORD(nr)*32))
p[AUDIT_WORD(n)] |= AUDIT_BIT(n);
return classes[class][AUDIT_WORD(syscall)] & AUDIT_BIT(syscall);
__u32 *p = &entry->rule.mask[AUDIT_WORD(bit)];
word = AUDIT_WORD(val);