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-rw-r--r--doc/implement/libos-i.tex9
1 files changed, 7 insertions, 2 deletions
diff --git a/doc/implement/libos-i.tex b/doc/implement/libos-i.tex
index 7fe801b3dc..a9ef373305 100644
--- a/doc/implement/libos-i.tex
+++ b/doc/implement/libos-i.tex
@@ -263,7 +263,12 @@ Given a Kerberos principal \funcparam{principal}, and a local username
determine whether user is authorized to login to the account \funcparam{luser}.
Returns TRUE if authorized, FALSE if not authorized.
-\begin{funcdecl}{krb5_random_confounder}{krb5_confounder}{\funcvoid}
+\begin{funcdecl}{krb5_random_confounder}{krb5_error_code}{\funcin}
+\funcarg{int}{size}
+\funcout
+\funcarg{krb5_pointer}{fillin}
\end{funcdecl}
-Generate a random confounder.
+Given a length and a pointer, fills in the area pointed to by
+\funcparam{fillin} with \funcparam{size} random octets suitable for use
+in a confounder.