104 static tftpbuf			ackbuf;  variable
1040 			n = recv(peer, &ackbuf, sizeof (ackbuf), 0);  in tftpd_sendfile()
1053 			ackbuf.tb_hdr.th_opcode =  in tftpd_sendfile()
1054 			    ntohs((ushort_t)ackbuf.tb_hdr.th_opcode);  in tftpd_sendfile()
1055 			ackbuf.tb_hdr.th_block =  in tftpd_sendfile()
1056 			    ntohs((ushort_t)ackbuf.tb_hdr.th_block);  in tftpd_sendfile()
1058 			if (ackbuf.tb_hdr.th_opcode == ERROR) {  in tftpd_sendfile()
1062 					    ackbuf.tb_hdr.th_code);  in tftpd_sendfile()
1066 						    ackbuf.tb_hdr.th_msg);  in tftpd_sendfile()
1072 			if (ackbuf.tb_hdr.th_opcode == ACK) {  in tftpd_sendfile()
1076 					    ackbuf.tb_hdr.th_block);  in tftpd_sendfile()
1077 				if (ackbuf.tb_hdr.th_block == 0)  in tftpd_sendfile()
1118 			n = recv(peer, &ackbuf, sizeof (ackbuf), 0);  in tftpd_sendfile()
1131 			ackbuf.tb_hdr.th_opcode =  in tftpd_sendfile()
1132 			    ntohs((ushort_t)ackbuf.tb_hdr.th_opcode);  in tftpd_sendfile()
1133 			ackbuf.tb_hdr.th_block =  in tftpd_sendfile()
1134 			    ntohs((ushort_t)ackbuf.tb_hdr.th_block);  in tftpd_sendfile()
1136 			if (ackbuf.tb_hdr.th_opcode == ERROR) {  in tftpd_sendfile()
1140 					    ackbuf.tb_hdr.th_code);  in tftpd_sendfile()
1144 						    ackbuf.tb_hdr.th_msg);  in tftpd_sendfile()
1150 			if (ackbuf.tb_hdr.th_opcode == ACK) {  in tftpd_sendfile()
1154 					    ackbuf.tb_hdr.th_block);  in tftpd_sendfile()
1155 				if (ackbuf.tb_hdr.th_block == block) {  in tftpd_sendfile()
1193 	ap = &ackbuf.tb_hdr;  in tftpd_recvfile()
1203 			(void) memcpy(&ackbuf, &oackbuf, oacklen);  in tftpd_recvfile()
1221 		if (sendto(peer, &ackbuf, acklen, 0, (struct sockaddr *)&from,  in tftpd_recvfile()
1309 	if (sendto(peer, &ackbuf, 4, 0, (struct sockaddr *)&from,  in tftpd_recvfile()
1329 		if (sendto(peer, &ackbuf, 4, 0, (struct sockaddr *)&from,  in tftpd_recvfile()