.\" -*- nroff -*-
.\" Generated file - DO NOT EDIT!
.TH RtlDowncaseUnicodeString 3w "Oct 2012" "Wine API" "Wine API"

.SH NAME
\fBRtlDowncaseUnicodeString\fR (NTDLL.@)
.SH SYNOPSIS
NTSTATUS RtlDowncaseUnicodeString
 (
  UNICODE_STRING*       \fIdest\fR,
  const UNICODE_STRING* \fIsrc\fR,
  BOOLEAN               \fIdoalloc\fR
 )

.SH DESCRIPTION
.PP
Converts a Unicode string to lowercase. 

.SH PARAMS
\fIdest\fR \fB[Out]\fR  Destination for converted string.
.PP
\fIsrc\fR \fB[In]\fR  Source string to convert.
.PP
\fIdoalloc\fR \fB[In]\fR  \fBTRUE\fR=Allocate a buffer for \fIdest\fR if it doesn't have one.
.PP

.SH RETURNS
.PP
\fBSuccess:\fR \fBSTATUS_SUCCESS\fR. \fIdest\fR contains the converted string. 
.PP
\fBFailure:\fR \fBSTATUS_NO_MEMORY\fR, if \fIdoalloc\fR is \fBTRUE\fR and memory allocation fails, or \fBSTATUS_BUFFER_OVERFLOW\fR, if \fIdoalloc\fR is \fBFALSE\fR and \fIdest\fR is too small. 

.SH NOTES
.PP
\fIdest\fR is never \fB'\0'\fR terminated because it may be equal to \fIsrc\fR, and \fIsrc\fR might not be \fB'\0'\fR terminated. \fIdest\fR\fI->Length\fR is only set upon success. 

.SH IMPLEMENTATION
.PP
Declared in \fB"winternl.h"\fR. 
.PP
Implemented in \fB"dlls/ntdll/rtlstr.c"\fR. 
.PP
Debug channel \fB"ntdll"\fR.