FFLAGS
int fmode = FFLAGS(O_WRONLY|O_CREAT|O_TRUNC|O_EXCL);
fmode = FFLAGS(O_WRONLY | O_CREAT | O_TRUNC | O_EXCL);
tmp = FFLAGS((long)SCARG(uap, arg)) & FCNTLFLAGS;
fp->f_flag = FFLAGS(oflag) & (FREAD | FWRITE);
flags = FFLAGS(open_flags);
oflags = FFLAGS(open_flags);
flags = FFLAGS(oflags);