OF_read
OF_read(stdin, &ch, 1);
while ((l = OF_read(OF_stdin, &ch, 1)) != 1)
l = OF_read(stdin, &ch, 1);
while ((l = OF_read(stdin, &ch, 1)) != 1)
len = OF_read(OF_fd, start, size);
len = OF_read(op->handle, pkt, maxlen);
n = OF_read(dev->handle, buf, size);
int OF_read(int handle, void *addr, int len);
while ((l = OF_read(stdin, &ch, 1)) != 1)
while (OF_read(stdin, &ch, 1) > 0) {
while ((l = OF_read(stdin, &ch, 1)) != 1)
len = OF_read(op->handle, pkt, maxlen);
n = OF_read(dev->handle, buf, size);
int OF_read(u_int handle, void *addr, int len);
int OF_read(int handle, void *addr, int len);