--- /dev/null
+#ifndef TESTS_FILESYS_SEQ_TEST_H
+#define TESTS_FILESYS_SEQ_TEST_H
+
+#include <stddef.h>
+
+void seq_test (const char *filename,
+ void *buf, size_t size, size_t initial_size,
+ size_t (*block_size_func) (void),
+ void (*check_func) (int fd, long ofs));
+
+#endif /* tests/filesys/seq-test.h */