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.TH "STRNLEN_USER" "" "06 October 2005" "" ""

.SH NAME
strnlen_user \- Get the size of a string in user space.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
long strnlen_user  (const char __user * \fIs\fB, long \fIn\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIs\fB\fR
The string to measure.
.TP
\fB\fIn\fB\fR
The maximum valid length
.SH "DESCRIPTION"
.PP
Get the size of a NUL-terminated string in user space.
.PP
Returns the size of the string INCLUDING the terminating NUL.
On exception, returns 0.
If the string is too long, returns a value greater than \fIn\fR\&.