along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stddef.h>
+#include <stdio.h>
+
#include "macro.h"
+int write_string_to_file(FILE *f, const char *line);
int write_string_file(const char *fn, const char *line);
int write_string_file_atomic(const char *fn, const char *line);
+
int read_one_line_file(const char *fn, char **line);
int read_full_file(const char *fn, char **contents, size_t *size);