.TH clockid_t 3type 2022-10-30 "Linux man-pages 6.03" .SH NAME clockid_t \- clock ID for the clock and timer functions .SH LIBRARY Standard C library .RI ( libc ) .SH SYNOPSIS .nf .B #include .PP .BR typedef " /* ... */ " clockid_t; .fi .SH DESCRIPTION Used for clock ID type in the clock and timer functions. It is defined as an arithmetic type. .SH STANDARDS POSIX.1-2001 and later. .SH NOTES The following header also provides this type: .IR . .SH SEE ALSO .BR clock_adjtime (2), .BR clock_getres (2), .BR clock_nanosleep (2), .BR timer_create (2), .BR clock_getcpuclockid (3)