'\" t
.\"     Title: strtobool
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Basic C Library Functions
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "STRTOBOOL" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Basic C Library Functions"
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.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
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.SH "NAME"
strtobool \- convert common user inputs into boolean values
.SH "SYNOPSIS"
.HP \w'int\ strtobool('u
.BI "int strtobool(const\ char\ *\ " "s" ", bool\ *\ " "res" ");"
.SH "ARGUMENTS"
.PP
\fIs\fR
.RS 4
input string
.RE
.PP
\fIres\fR
.RS 4
result
.RE
.SH "DESCRIPTION"
.PP
This routine returns 0 iff the first character is one of \*(AqYy1Nn0\*(Aq\&. Otherwise it will return \-EINVAL\&. Value pointed to by res is updated upon finding a match\&.
.SH "COPYRIGHT"
.br