.\" Copyright 2020, Michael Kerrisk <mtk.manpages@gmail.com>
.\" Copyright, the authors of the Linux man-pages project
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.TH clock_t 3type 2026-02-08 "Linux man-pages 6.19"
.SH NAME
clock_t \- system time
.SH LIBRARY
Standard C library
.RI ( libc )
.SH SYNOPSIS
.nf
.B #include <time.h>
.P
.BR typedef " /* ... */ " clock_t;
.fi
.SH DESCRIPTION
Used for system time in clock ticks or
.B CLOCKS_PER_SEC
(defined in
.IR <time.h> ).
According to POSIX,
it is an integer type or a real-floating type.
.SH STANDARDS
C11, POSIX.1-2024.
.SH HISTORY
C89,
POSIX.1-1988.
.SH NOTES
The following headers also provide this type:
.I <sys/types.h>
and
.IR <sys/times.h> .
.SH SEE ALSO
.BR times (2),
.BR clock (3)