---
name: "acl_clear_perms"
section: "3"
platform: "macos"
package: "Libc"
version: "1752.120.2"
release: "macOS 26.5"
platforms: ["linux", "freebsd", "macos"]
url: "https://new.carta.tech/acl_clear_perms"
---

# acl\_clear\_perms(3)

clear permissions from a permission set

## NAME

**acl\_clear\_perms** – clear permissions from a permission set

## LIBRARY

Standard C Library (libc, -lc)

## SYNOPSIS

**#include \<sys/types.h\>**

**#include \<sys/acl.h\>**

*int*\

**acl\_clear\_perms**(*acl\_permset\_t permset\_d*);

## DESCRIPTION

The **acl\_clear\_perms**() function is a POSIX.1e call that clears all permissions from permissions set *permset\_d*.

## RETURN VALUES

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.

## ERRORS

The **acl\_clear\_perms**() function fails if:

- \[EINVAL\]

  Argument *permset\_d* is not a valid descriptor for a permission set.

## SEE ALSO

[acl(3)](/acl/3.md), [acl\_add\_perm(3)](/acl_add_perm/3.md), [acl\_delete\_perm(3)](/acl_delete_perm/3.md), [acl\_get\_permset(3)](/acl_get_permset/3.md), [acl\_set\_permset(3)](/acl_set_permset/3.md), [posix1e(3)](/posix1e/3.md)

## STANDARDS

POSIX.1e is described in IEEE POSIX.1e draft 17.

## AUTHORS

Michael Smith Chris D Fulhaber