Lines Matching defs:buf
74 char buf[SYSFS_PATH_MAX + DNAME_PATH_MAX];
78 snprintf(buf, sizeof(buf), "/sys/class/rc/%s", rc);
80 d = opendir(buf);
82 ksft_exit_fail_msg("cannot open %s: %m\n", buf);
86 snprintf(buf, sizeof(buf), "/dev/%s", dent->d_name);
96 fd = open(buf, O_RDWR | O_NONBLOCK);
98 ksft_exit_fail_msg("cannot open: %s: %m\n", buf);
106 char buf[100];
126 snprintf(buf, sizeof(buf), "/sys/class/rc/%s/protocols", argv[2]);
127 protocolfd = open(buf, O_WRONLY);
129 ksft_exit_fail_msg("failed to open %s: %m\n", buf);