int read_full_file(const char *fn, char **contents, size_t *size);
int parse_env_file(const char *fname, const char *separator, ...) _sentinel_;
-int load_env_file(const char *fname, char ***l);
+int load_env_file(const char *fname, const char *separator, char ***l);
int write_env_file(const char *fname, char **l);