---
name: "RtlInitializeSid"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/RtlInitializeSid"
---

# RtlInitializeSid(3w)

## NAME

**RtlInitializeSid** (NTDLL.@)

## SYNOPSIS

BOOL RtlInitializeSid\
  (\
   PSID                      *pSid*,\
   PSID\_IDENTIFIER\_AUTHORITY *pIdentifierAuthority*,\
   BYTE                      *nSubAuthorityCount*\
  )

## DESCRIPTION

Initialise a **SID**.

## PARAMS

*pSid* **\[In\]**  **SID** to initialise.

*pIdentifierAuthority* **\[In\]**  Identifier Authority.

*nSubAuthorityCount* **\[In\]**  Number of Sub Authorities.

## RETURNS

**Success:** **TRUE**. *pSid* is initialised with the details given.

**Failure:** **FALSE**, if *nSubAuthorityCount* is \>= **SID\_MAX\_SUB\_AUTHORITIES**.

## IMPLEMENTATION

Declared in **"winternl.h"**.

Implemented in **"dlls/ntdll/sec.c"**.

Debug channel **"ntdll"**.