access_mask_set
access = access_mask_set(haswriteperm, hasreadperm, isowner, isallow);
deny->a_access_mask |= access_mask_set((allow->a_access_mask &
deny->access_mask |= access_mask_set((allow->access_mask &
access = access_mask_set(haswriteperm, hasreadperm, isowner, isallow,
static acemask4 access_mask_set(int, int, int, int, int);