.\" Copyright 2020, Michael Kerrisk .\" Copyright, the authors of the Linux man-pages project .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" .TH timer_t 3type 2026-02-08 "Linux man-pages 6.19" .SH NAME timer_t \- timer ID .SH LIBRARY Standard C library .RI ( libc ) .SH SYNOPSIS .nf .B #include .P .BR typedef " /* ... */ " timer_t; .fi .SH DESCRIPTION Used for timer ID returned by .BR timer_create (2). .SH STANDARDS POSIX.1-2024. .SH HISTORY POSIX.1-1996. .SH NOTES The following header also provides .IR timer_t : .IR . .SH SEE ALSO .BR timer_create (2), .BR timer_delete (2), .BR timer_getoverrun (2), .BR timer_settime (2)