349 static ssize_t read_wrap(struct thread *t, void *buf, size_t nbytes);
350 static ssize_t write_wrap(struct thread *t, const void *buf, size_t nbytes);
351 static ssize_t ep0_consume(struct thread *t, const void *buf, size_t nbytes);
352 static ssize_t fill_in_buf(struct thread *t, void *buf, size_t nbytes);
353 static ssize_t empty_out_buf(struct thread *t, const void *buf, size_t nbytes);
496 static ssize_t read_wrap(struct thread *t, void *buf, size_t nbytes)  in read_wrap()  argument
498 	return read(t->fd, buf, nbytes);  in read_wrap()
501 static ssize_t write_wrap(struct thread *t, const void *buf, size_t nbytes)  in write_wrap()  argument
503 	return write(t->fd, buf, nbytes);  in write_wrap()
514 fill_in_buf(struct thread *ignore, void *buf, size_t nbytes)  in fill_in_buf()  argument
523 		memset(buf, 0, nbytes);  in fill_in_buf()
527 		for (p = buf, i = 0; i < nbytes; ++i, ++p)  in fill_in_buf()
532 		return fread(buf, 1, nbytes, stdin);  in fill_in_buf()
535 	return nbytes;  in fill_in_buf()
539 empty_out_buf(struct thread *ignore, const void *buf, size_t nbytes)  in empty_out_buf()  argument
551 		for (p = buf, len = 0; len < nbytes; ++p, ++len)  in empty_out_buf()
557 		for (p = buf, len = 0; len < nbytes; ++p, ++len)  in empty_out_buf()
565 		ret = fwrite(buf, nbytes, 1, stdout);  in empty_out_buf()
573 		for (p = buf, len = 0; len < nbytes; ++p, ++len) {  in empty_out_buf()
601 ep0_consume(struct thread *ignore, const void *buf, size_t nbytes)  in ep0_consume()  argument
618 	for (n = nbytes / sizeof *event; n; --n, ++event)  in ep0_consume()
636 	return nbytes;  in ep0_consume()