OrionLibC

diff --git a/include/sys/mman.h b/include/sys/mman.h
new file mode 100644
index 0000000..0e9518e
--- /dev/null
+++ b/include/sys/mman.h
@@ -0,0 +1,35 @@
+#ifndef _SYS_MMAN_H
+#define _SYS_MMAN_H
+
+#include <stddef.h>
+#include <sys/types.h>
+
+/* Virtual Memory Region Protection */
+enum VMRegionProt {
+	PROT_NONE,
+	PROT_EXEC = (1 << 0),
+	PROT_WRITE = (1 << 1),
+	PROT_READ = (1 << 2),
+};
+
+/* Virtual Memory Region flags */
+enum VMRegionFlag {
+	MAP_SHARED,
+	MAP_PRIVATE = (1 << 0),
+	MAP_ANONYMOUS = (1 << 1),
+};
+
+#define MAP_ANON MAP_ANONYMOUS
+#define MAP_FAILED ((void *) -1)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void *mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif