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home | helpCLOCK(3) BSD 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"). BSD June 4, 1993 BSD
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS