msgio32
static int msgio32(int fdes, struct strbuf32 *ctl, struct strbuf32 *data,
if ((error = msgio32(fdes, ctl, data, &rv, FREAD, &pri,
error = msgio32(fdes, ctl, data, &rv, FWRITE, &pri, &realflags);
error = msgio32(fdes, ctl, data, &rv, FREAD, &pri, &flags);
error = msgio32(fdes, ctl, data, &rv, FWRITE, &pri, &flags);