'\" t
.\"     Title: kfifo_out
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: FIFO Buffer
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "KFIFO_OUT" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "FIFO Buffer"
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.SH "NAME"
kfifo_out \- get data from the fifo
.SH "SYNOPSIS"
.HP \w'kfifo_out('u
.BI "kfifo_out(" "fifo" ", " "buf" ", " "n" ");"
.SH "ARGUMENTS"
.PP
\fIfifo\fR
.RS 4
address of the fifo to be used
.RE
.PP
\fIbuf\fR
.RS 4
pointer to the storage buffer
.RE
.PP
\fIn\fR
.RS 4
max\&. number of elements to get
.RE
.SH "DESCRIPTION"
.PP
This macro get some data from the fifo and return the numbers of elements copied\&.
.PP
Note that with only one concurrent reader and one concurrent writer, you don\*(Aqt need extra locking to use these macro\&.
.SH "COPYRIGHT"
.br