CLOCK Section: Linux Programmer's Manual (3) Updated: April 21, 2025 Index   NAME clock - Determine processor time   SYNOPSIS #include <time.h> clock_t clock(void);   DESCRIPTION The clock() function returns an approximation of processor time used by the program.   RETURN VALUE The value returned is the CPU time used so far as a clock_t; to get the number of seconds used, divide by CLOCKS_PER_SEC.   CONFORMING TO ANSI C   BUGS The C standard allows for arbitrary values at the start of the program; take the difference between the value returned from a call to clock() at the start of the program and the end to get maximum portability. The times() function call returns more information.   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO BUGS SEE ALSO This document was created by using the manual pages. Time: 11:58:02 GMT, March 24, 2025