очистить все разрешения из набора разрешений ACL  (clear all permissions from an ACL permission set)
  
Имя (Name)
acl_clear_perms — clear all permissions from an ACL permission set
Библиотека (Library)
Linux Access Control Lists library (libacl, -lacl).
Синопсис (Synopsis)
#include <sys/types.h>
     #include <sys/acl.h>
     int
     acl_clear_perms(acl_permset_t permset_d);
Описание (Description)
The acl_clear_perms() function clears all permissions from the
     permission set referred to by the argument permset_d.
     Any existing descriptors that refer to permset_d shall continue to
     refer to that permission set.
Возвращаемое значение (Return value)
The acl_clear_perms() function returns the value 0 if successful;
     otherwise the value -1 is returned and the global variable errno is
     set to indicate the error.
Ошибки (Error)
If any of the following conditions occur, the acl_clear_perms()
     function returns -1 and sets errno to the corresponding value:
     [EINVAL]           The argument permset_d is not a valid descriptor
                        for a permission set within an ACL entry.
Стандарты (Conforming to)
IEEE Std 1003.1e draft 17 ('POSIX.1e', abandoned)
Смотри также (See also)
acl_add_perm(3), acl_delete_perm(3), acl_get_perm(3),
     acl_get_permset(3), acl_set_permset(3), acl(5)