PGI Fortran Reference manual - The Portland Group

3F Functions and VAX Subroutines9.1.35. isattyIs logical unit a tty.Synopsislogical function isatty(lu)integer luDescriptionReturns .TRUE. if logical unit lu is connected to a terminal; otherwise, .FALSE. is returned.9.1.36. itimeReturn time in numerical form.Synopsissubroutine itime(iarray)integer iarray(3)DescriptionReturn current time in the array iarray. The order is hour, minute, and second.9.1.37. killSend signal to a process.Synopsisinteger function kill(pid, sig)integer pidinteger sigDescriptionSend signal number sig to the process whose process id is pid. If successful, the value zero isreturned; otherwise, an error code is returned.9.1.38. linkMake linkSynopsisinteger function link(n1, n2)character*(*) n1character*(*) n2PGI Fortran Reference Guide 200