| CLOCK(3) | Library Functions Manual | CLOCK(3) |
clock — determine
processor time used
#include
<time.h>
clock_t
clock(void);
The
clock()
function determines the amount of processor time used since the invocation
of the calling process, measured in
CLOCKS_PER_SECs.
The clock() function returns the amount of
time used unless an error occurs, in which case the return value is -1.
The clock() function conforms to
ANSI X3.159-1989
(“ANSI C89”).
| June 5, 2013 | Debian |