Function rioInitWithFd

src/rio.cpp:415–420

};

void rioInitWithFd(rio *r, int fd) {
    *r = rioFdIO;
    r->io.fd.fd = fd;
    r->io.fd.pos = 0;
    r->io.fd.buf = sdsempty();
}

/* release the rio stream. */
void rioFreeFd(rio *r) {