74 static int pcp_io_op(void *buf, int byte_cnt, int io_op);
82 static int check_magic_byte_presence(int byte_cnt, uint8_t *byte_val,
89 static int pcp_update_read_area(int byte_cnt);
571 pcp_io_op(void *buf, int byte_cnt, int io_op)  in pcp_io_op()  argument
581 	if ((buf == NULL) || (byte_cnt < 0)) {  in pcp_io_op()
605 	while (rv < byte_cnt) {  in pcp_io_op()
606 		io_sz = MIN((byte_cnt - rv), mtu_size);  in pcp_io_op()
626 	if (rv == byte_cnt)  in pcp_io_op()
692 pcp_write(uint8_t *buf, int byte_cnt)  in pcp_write()  argument
698 	if (buf == NULL || byte_cnt < 0 || byte_cnt > mtu_size) {  in pcp_write()
705 		if ((ret = write(chnl_fd, buf, byte_cnt)) < 0) {  in pcp_write()
711 		if ((ret = vldc_write(chnl_fd, buf, byte_cnt)) <= 0) {  in pcp_write()
731 pcp_read(uint8_t *buf, int byte_cnt)  in pcp_read()  argument
736 	if (byte_cnt < 0 || byte_cnt > mtu_size) {  in pcp_read()
758 	if (byte_cnt <= (read_tail - read_head)) {  in pcp_read()
759 		(void) memcpy(buf, read_head, byte_cnt);  in pcp_read()
760 		read_head += byte_cnt;  in pcp_read()
761 		return (byte_cnt);  in pcp_read()
794 		m = byte_cnt - (read_tail - read_head);  in pcp_read()
805 	n = MIN(byte_cnt, (read_tail - read_head));  in pcp_read()
819 pcp_update_read_area(int byte_cnt)  in pcp_update_read_area()  argument
824 	if (byte_cnt < 0 || byte_cnt > mtu_size) {  in pcp_update_read_area()
846 	if (byte_cnt <= (read_tail - read_head)) {  in pcp_update_read_area()
847 		return (byte_cnt);  in pcp_update_read_area()
860 	n = byte_cnt - (read_tail - read_head);  in pcp_update_read_area()
871 	n = MIN(byte_cnt, (read_tail - read_head));  in pcp_update_read_area()
884 pcp_peek_read(uint8_t *buf, int byte_cnt)  in pcp_peek_read()  argument
888 	if (byte_cnt < 0 || byte_cnt > mtu_size) {  in pcp_peek_read()
909 	if (byte_cnt <= (read_tail - read_head)) {  in pcp_peek_read()
910 		(void) memcpy(buf, read_head, byte_cnt);  in pcp_peek_read()
911 		return (byte_cnt);  in pcp_peek_read()
937 	n = MIN(byte_cnt, (peek_read_tail - peek_read_head));  in pcp_peek_read()
1249 check_magic_byte_presence(int byte_cnt, uint8_t *byte_seq, int *ispresent)  in check_magic_byte_presence()  argument
1254 	if ((ret = pcp_peek_read(buf, byte_cnt)) < 0) {  in check_magic_byte_presence()
1259 	if (ret != byte_cnt) {  in check_magic_byte_presence()
1264 	for (i = 0; i < byte_cnt; ++i) {  in check_magic_byte_presence()