int merge_env_file(char ***env, FILE *f, const char *fname);
-int write_env_file_at(int dir_fd, const char *fname, char **l);
-static inline int write_env_file(const char *fname, char **l) {
- return write_env_file_at(AT_FDCWD, fname, l);
-}
+int write_env_file(int dir_fd, const char *fname, char **headers, char **l);