| ACL_ADD_FLAG_NP(3) | Library Functions Manual | ACL_ADD_FLAG_NP(3) | 
acl_add_flag_np —
#include <sys/types.h>
#include <sys/acl.h>
int
  
  acl_add_flag_np(acl_flagset_t
    flagset_d, acl_flag_t
    flag);
acl_add_flag_np() function is a non-portable call
  that adds the NFSv4 ACL flags contained in flags to the
  flagset flagset_d.
Note: it is not considered an error to attempt to add flags that already exist in the flagset.
Valid values are:
| ACL_ENTRY_FILE_INHERIT | Will be inherited by files. | 
| ACL_ENTRY_DIRECTORY_INHERIT | Will be inherited by directories. | 
| ACL_ENTRY_NO_PROPAGATE_INHERIT | Will not propagate. | 
| ACL_ENTRY_INHERIT_ONLY | Inherit-only. | 
| ACL_ENTRY_INHERITED | Inherited from parent | 
acl_add_flag_np() function returns the
  value 0 if successful; otherwise the value -1 is returned and
  the global variable errno is set to indicate the error.
acl_add_flag_np() function fails if:
EINVAL]acl_add_flag_np() function was added in
  FreeBSD 8.0.
acl_add_flag_np() function was written by
  Edward Tomasz Napierala
  <trasz@FreeBSD.org>.
| September 4, 2015 | NetBSD 10.0 |