38 static void f_reg(DIR *d, const char *filename)  in f_reg()  argument
45 	fd = openat(dirfd(d), filename, O_RDONLY|O_NONBLOCK);  in f_reg()
55 static void f_reg_write(DIR *d, const char *filename, const char *buf, size_t len)  in f_reg_write()  argument
60 	fd = openat(dirfd(d), filename, O_WRONLY);  in f_reg_write()
68 static void f_lnk(DIR *d, const char *filename)  in f_lnk()  argument
73 	rv = readlinkat(dirfd(d), filename, buf, sizeof(buf));  in f_lnk()
77 static void f(DIR *d, unsigned int level)  in f()  argument
81 	de = xreaddir(d);  in f()
85 	de = xreaddir(d);  in f()
89 	while ((de = xreaddir(d))) {  in f()
99 				f_reg_write(d, de->d_name, "h", 1);  in f()
101 				f_reg_write(d, de->d_name, "1", 1);  in f()
103 				f_reg_write(d, de->d_name, "1", 1);  in f()
105 				f_reg(d, de->d_name);  in f()
109 			fd = openat(dirfd(d), de->d_name, O_DIRECTORY|O_RDONLY);  in f()
119 			f_lnk(d, de->d_name);  in f()
129 	DIR *d;  in main()  local
132 	d = opendir("/proc");  in main()
133 	if (!d)  in main()
137 	if (fstatfs(dirfd(d), &sfs) == -1) {  in main()
145 	f(d, 0);  in main()