.\" Copyright (c) 2017, Martin Kepplinger <martink@posteo.de>
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.TH TS_OPEN_RESTRICTED 3  "" "" "tslib"
.SH NAME
ts_open_restricted \- use a custom function for opening the touchscreen's
input device file
.SH SYNOPSIS
.nf
.B #include <tslib.h>
.sp
.BI "int (*ts_open_restricted)(const char *path, int flags, void *user_data);
.sp
.fi

.SH DESCRIPTION
.BR ts_open_restricted ()
is useful if libts should not be run as root. If such a function is implemented
by the user and assigned to the ts_open_restricted pointer, it will be called
by ts_open() instead of the open() system call directly.

It should open the input device at
.BR path
with
.BR flags
while
.BR user_data
is currently unused.

.SH RETURN VALUE
the touchscreen input device' file descriptor

.SH SEE ALSO
.BR ts_close_restricted (3),
.BR ts_open (3),
.BR ts_setup (3),
.BR ts_close (3),
.BR ts.conf (5)