old_cwd_fd       2520 main/main.c    	volatile int old_cwd_fd = -1;
old_cwd_fd       2548 main/main.c    			old_cwd_fd = open(".", 0);
old_cwd_fd       2618 main/main.c    	if (old_cwd_fd != -1) {
old_cwd_fd       2619 main/main.c    		fchdir(old_cwd_fd);
old_cwd_fd       2620 main/main.c    		close(old_cwd_fd);