NAME clock - determine processor time used CONTENTS Library Synopsis Description Return Values See Also Standards LIBRARY .Lb libc SYNOPSIS .In 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_SEC s of a second. 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), clocks(7) STANDARDS
