1 files changed, 24 insertions, 0 deletions
diff --git a/sys/fio/awrite.x b/sys/fio/awrite.x
new file mode 100644
index 00000000..a189d0e3
--- /dev/null
+++ b/sys/fio/awrite.x
@@ -0,0 +1,24 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<mach.h>
+
+# AWRITE -- Asychronous block write to a binary file.  Writes can only
+# start at a character offset which is an integral multiple of the file
+# block size.
+
+procedure awrite (fd, buffer, nchars, char_offset)
+
+int	fd
+int	nchars
+char	buffer[ARB]
+long	char_offset
+
+int	nbytes
+long	byte_offset
+
+begin
+	nbytes = nchars * SZB_CHAR
+	byte_offset = (char_offset-1) * SZB_CHAR + 1
+
+	call awriteb (fd, buffer, nbytes, byte_offset)
+end