cos EXPR cos Returns the cosine of EXPR (expressed in radians). If EXPR is omitted, takes the cosine of

getservbyport PORT,PROTO

le These operators are documented in perlop.

DESTROY This method keyword is documented in Destructors

setservent STAYOPEN

sprintf FORMAT, LIST Returns a string formatted by the usual

if These flow-control keywords are documented in Compound

semop KEY,OPSTRING Calls the System V IPC function semop(2) for semaphore operations such as signalling and waiting. OPSTRING must be a packed

getgrgid GID

close FILEHANDLE close Closes the file or pipe associated with the filehandle, flushes the IO buffers, and