diff --git a/include/aio.h b/include/aio.h
new file mode 100644
index 0000000..3590c83
--- /dev/null
+++ b/include/aio.h
@@ -0,0 +1,42 @@
+#ifndef _AIO_H
+#define _AIO_H
+
+#include <types/off_t.h>
+#include <types/pthread_attr_t.h>
+#include <types/size_t.h>
+#include <types/ssize_t.h>
+#include <time.h>
+#include <signal.h>
+
+struct aiocb {
+  int aio_fildes;
+  off_t aio_offset;
+  volatile void * aio_buf;
+  size_t aio_nbytes;
+  int aio_reqprio;
+  struct sigevent aio_sigevent;
+  int aio_lio_opcode;
+};
+
+#define AIO_ALLDONE 0
+#define AIO_CANCELLED 1
+#define AIO_NOTCANCELLED 2
+
+#define LIO_NOP 1
+#define LIO_READ 2
+#define LIO_WRITE 3
+
+#define LIO_NOWAIT 1
+#define LIO_WAIT 2
+
+int aio_cancel(int, struct aiocb *);
+int aio_error(const struct aiocb *);
+int aio_fsync(int, struct aiocb *);
+int aio_read(struct aiocb *);
+ssize_t aio_return (struct aiocb *);
+int aio_suspend(const struct aiocb * const [], int, const struct timespec *);
+int aio_write(struct aiocb *);
+int lio_listio(int, struct aiocb * restrict const [restrict], int, 
+               struct sigevent * restrict);
+
+#endif
\ No newline at end of file