0.9.15.33:

[sbcl.git] / doc / manual / ffi.texinfo

diff --git a/doc/manual/ffi.texinfo b/doc/manual/ffi.texinfo
index ea13995..f8ffb73 100644 (file)
--- a/doc/manual/ffi.texinfo
+++ b/doc/manual/ffi.texinfo
@@ -3,7 +3,7 @@
 @chapter Foreign Function Interface
 
 This chapter describes SBCL's interface to C programs and
-libraries (and, since C interfaces are a sort of @emph{ingua
+libraries (and, since C interfaces are a sort of @emph{lingua
 franca} of the Unix world, to other programs and libraries in
 general.)
 
@@ -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