288 static ssize_t read_wrap(struct thread *t, void *buf, size_t nbytes);
289 static ssize_t write_wrap(struct thread *t, const void *buf, size_t nbytes);
290 static ssize_t ep0_consume(struct thread *t, const void *buf, size_t nbytes);
291 static ssize_t fill_in_buf(struct thread *t, void *buf, size_t nbytes);
292 static ssize_t empty_out_buf(struct thread *t, const void *buf, size_t nbytes);
435 static ssize_t read_wrap(struct thread *t, void *buf, size_t nbytes)  in read_wrap()  argument
437 	return read(t->fd, buf, nbytes);  in read_wrap()
440 static ssize_t write_wrap(struct thread *t, const void *buf, size_t nbytes)  in write_wrap()  argument
442 	return write(t->fd, buf, nbytes);  in write_wrap()
453 fill_in_buf(struct thread *ignore, void *buf, size_t nbytes)  in fill_in_buf()  argument
462 		memset(buf, 0, nbytes);  in fill_in_buf()
466 		for (p = buf, i = 0; i < nbytes; ++i, ++p)  in fill_in_buf()
471 		return fread(buf, 1, nbytes, stdin);  in fill_in_buf()
474 	return nbytes;  in fill_in_buf()
478 empty_out_buf(struct thread *ignore, const void *buf, size_t nbytes)  in empty_out_buf()  argument
490 		for (p = buf, len = 0; len < nbytes; ++p, ++len)  in empty_out_buf()
496 		for (p = buf, len = 0; len < nbytes; ++p, ++len)  in empty_out_buf()
504 		ret = fwrite(buf, nbytes, 1, stdout);  in empty_out_buf()
512 		for (p = buf, len = 0; len < nbytes; ++p, ++len) {  in empty_out_buf()
540 ep0_consume(struct thread *ignore, const void *buf, size_t nbytes)  in ep0_consume()  argument
557 	for (n = nbytes / sizeof *event; n; --n, ++event)  in ep0_consume()
575 	return nbytes;  in ep0_consume()