77 	int slavefd;		/* slave pty fd */  in test1()  local
107 	slavefd = open(slavename, O_RDWR);  in test1()
108 	if (slavefd >= 0) {  in test1()
116 	slavefd = SAFE_OPEN(NULL, slavename, O_RDWR);  in test1()
129 	if (read(slavefd, buf, strlen(STRING)) != strlen(STRING)) {  in test1()
142 	if (write(slavefd, STRING, strlen(STRING)) != strlen(STRING)) {  in test1()
160 	if (ioctl(slavefd, TIOCGWINSZ, NULL) == 0) {  in test1()
178 	if (close(slavefd) != 0) {  in test1()
195 	int slavefd;		/* slave pty fd */  in test2()  local
215 	slavefd = SAFE_OPEN(NULL, slavename, O_RDWR);  in test2()
226 	if ((i = read(slavefd, &c, 1)) == 1) {  in test2()
232 	if ((i = write(slavefd, &c, 1)) == 1) {  in test2()
237 	if (ioctl(slavefd, TIOCGWINSZ, NULL) == 0) {  in test2()
243 	if (close(slavefd) != 0) {  in test2()
272 	int slavefd;		/* slave pty fd */  in test4()  local
292 	slavefd = SAFE_OPEN(NULL, slavename, O_RDWR);  in test4()
295 	if (slavefd < 0) {  in test4()
301 	if (slavefd < 0) {  in test4()
309 	if (close(slavefd) != 0) {  in test4()