Function bufoff

src/sfstruct.c:435–444

}

void
bufoff(int fd)
{
    int idx = getidx(fd, NOFLG);

    if (idx >= 0) {
        bflush(fd);
        bw_buffered[idx] = 0;     /* just a flag that says "use write(fd)" */
    }
}

void
bclose(int fd)