75     int fd = open(filename, O_RDONLY);  in read_data()  local
76     if (fd < 0) {  in read_data()
81     int len = read(fd, buf, sizeof(buf));  in read_data()
84         close(fd);  in read_data()
89     close(fd);  in read_data()
107     int fd = open(filename, O_RDONLY);  in read_lines()  local
108     if (fd < 0) return 0;  in read_lines()
110     int len = read(fd, buf, sizeof(buf) - 1);  in read_lines()
113         close(fd);  in read_lines()
117     close(fd);  in read_lines()
162     int fd = open("/proc/yaffs", O_RDONLY);  in read_proc_yaffs()  local
163     if (fd < 0) return 0;  in read_proc_yaffs()
165     int len = read(fd, buf, sizeof(buf) - 1);  in read_proc_yaffs()
168         close(fd);  in read_proc_yaffs()
172     close(fd);  in read_proc_yaffs()
244             int fd = open(filename, O_RDONLY);  in read_stats()  local
245             if (fd < 0) {  in read_stats()
250             int len = read(fd, cmdline, sizeof(cmdline) - 1);  in read_stats()
253                 close(fd);  in read_stats()
257             close(fd);  in read_stats()