X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=doc%2Fmanual%2Fffi.texinfo;h=f8ffb73d5c69591a1e62b7db4f1561726d259d22;hb=06928f553de251ab19f163a23d39b78c80a8ed2f;hp=354e659feb68856b01d740ac28a5b3c900cfa74c;hpb=7f2967a8ed925bd5dab32811c1a66cba7175d669;p=sbcl.git

diff --git a/doc/manual/ffi.texinfo b/doc/manual/ffi.texinfo
index 354e659..f8ffb73 100644
--- a/doc/manual/ffi.texinfo
+++ b/doc/manual/ffi.texinfo
@@ -196,8 +196,10 @@ variables. Dynamic arrays can only be allocated using
 The foreign type specifier @code{(sb-alien:struct @var{name} &rest
 @var{fields})} describes a structure type with the specified
 @var{name} and @var{fields}. Fields are allocated at the same offsets
-used by the implementation's C compiler. If @var{name} is @code{nil}
-then the structure is anonymous.
+used by the implementation's C compiler, as guessed by the SBCL
+internals. An optional @code{:alignment} keyword argument can be
+specified for each field to explicitly control the alignment of a
+field. If @var{name} is @code{nil} then the structure is anonymous.
 
 If a named foreign @code{struct} specifier is passed to
 @code{define-alien-type} or @code{with-alien}, then this defines,
@@ -357,7 +359,7 @@ array type. @code{deref} can be set with @code{setf} to assign a new
 value.
 @end defun
 
-@defun sb-alien:slot @var{struct-or-union} &rest @var{slot-names}
+@defun sb-alien:slot @var{struct-or-union} @var{slot-name}
 @findex slot
 
 The @code{sb-alien:slot} function extracts the value of the slot named