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RedHat 9 (Linux i386) - man page for acl_dup (redhat section 3)

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ACL_DUP(3)			   BSD Library Functions Manual 		       ACL_DUP(3)

     acl_dup -- duplicate an ACL

     Linux Access Control Lists library (libacl, -lacl).

     #include <sys/types.h>
     #include <sys/acl.h>

     acl_dup(acl_t acl);

     The acl_dup() function returns a pointer to a copy of the ACL pointed to by acl.

     This function may cause memory to be allocated.  The caller should free any releasable mem-
     ory, when the new ACL is no longer required, by calling acl_free(3) with the (void*)acl_t
     returned by acl_dup() as an argument.

     Upon successful completion, this function returns a pointer to the working storage.  Other-
     wise, a value of (acl_t)NULL is returned, and errno is set to indicate the error.

     If any of the following conditions occur, the acl_dup() function returns a value of
     (acl_t)NULL and sets errno to the corresponding value:

     [EINVAL]		The argument acl is not a valid pointer to an ACL.

     [ENOMEM]		The acl_t to be returned requires more memory than is allowed by the
			hardware or system-imposed memory management constraints.

     IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)

     acl_free(3), acl_get_entry(3), acl(5)

     Derived from the FreeBSD manual pages written by Robert N M Watson <rwatson@FreeBSD.org>,
     and adapted for Linux by Andreas Gruenbacher <a.gruenbacher@computer.org>.

Linux ACL				  March 23, 2002				Linux ACL
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