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Command: clock | Section: 3 | Source: MINIX | File: clock.3
CLOCK(3) FreeBSD Library Functions Manual CLOCK(3)
NAME
clock - determine processor time used
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <time.h>
clock_t
clock(void);
DESCRIPTION
The clock() function determines the amount of processor time used since
the invocation of the calling process, measured in CLOCKS_PER_SECs.
RETURN VALUES
The clock() function returns the amount of time used unless an error
occurs, in which case the return value is -1.
SEE ALSO
getrusage(2)
STANDARDS
The clock() function conforms to ANSI X3.159-1989 ("ANSI C89").
FreeBSD 14.1-RELEASE-p8 June 4, 1993 FreeBSD 14.1-RELEASE-p8