|
CLOCK(3) |
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.
STANDARDS
The clock() function conforms to ANSI X3.159-1989 (“ANSI C89”).
