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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <mach.h>
include "m75.h"
# ZWTM75 -- Wait for i/o completion and return the number of bytes read or
# written or ERR. Repetitive calls return the same value.
procedure zwtm75 (ifcb, status)
int ifcb # pointer to channel descriptor passed as int
int status # nbytes transferred or ERR
pointer fcb
begin
fcb = ifcb
switch (FCB_STATUS(fcb)) {
case ERR:
status = ERR
case IIS_INACTIVE:
status = FCB_NBYTES(fcb)
default:
call zawtbf (FCB_CHAN(fcb), status)
FCB_STATUS(fcb) = IIS_INACTIVE
}
end
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