--- /dev/null
+#ifndef _ZLIB_EXTRA_H
+#define _ZLIB_EXTRA_H
+
+#include "util.h"
+#include <zlib.h>
+
+/* Like getline, but read from a gzFile. Allocation is with talloc.
+ * Returns:
+ *
+ * UTIL_SUCCESS, UTIL_OUT_OF_MEMORY, UTIL_ERRNO, UTIL_GZERROR
+ * Consult util.h for description
+ *
+ * UTIL_EOF End of file encountered before
+ * any characters read
+ */
+util_status_t
+gz_getline (void *ctx, char **lineptr, ssize_t *bytes_read, gzFile stream);
+
+/* return a suitable error string based on the return status
+ * from gz_readline
+ */
+
+const char *
+gz_error_string (util_status_t status, gzFile stream);
+#endif