Despite ksh shebang, sotruss is apparently bash script (function keyword, $"" NLS)
However mksh also accepts this syntax leaving strings untranslated.
--- glibc-2.14/elf/sotruss.sh.orig	2011-05-31 06:12:33.000000000 +0200
+++ glibc-2.14/elf/sotruss.sh	2011-06-11 09:42:22.467864393 +0200
@@ -1,4 +1,4 @@
-#! @BASH@
+#! /bin/mksh
 # Copyright (C) 2011-2014 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.