#include <stdio.h>
#include "fileio.h"
-int write_one_line_file_atomic_label(const char *fn, const char *line);
+int write_string_file_atomic_label(const char *fn, const char *line);
int write_env_file_label(const char *fname, char **l);
+int fopen_temporary_label(const char *target,
+ const char *path, FILE **f, char **temp_path);