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.TH "CLEAR_USER" "9" "09 October 2005" "" ""

.SH NAME
clear_user \- Zero a block of memory in user space.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
unsigned long clear_user  (void __user * \fIto\fB, unsigned long \fIn\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIto\fB\fR
Destination address, in user space.
.TP
\fB\fIn\fB\fR
Number of bytes to zero.
.SH "DESCRIPTION"
.PP
Zero a block of memory in user space.
.PP
Returns number of bytes that could not be cleared.
On success, this will be zero.