$ config_symbols1 ="|installprivlib|installscript|installsitearch|installsitelib|most|oldarchlib|oldarchlibexp|osname|pager|perl_symbol|perl_verb|"
$ config_symbols2 ="|prefix|privlib|privlibexp|scriptdir|sitearch|sitearchexp|sitebin|sitelib|sitelib_stem|sitelibexp|try_cxx|use64bitall|use64bitint|"
$ config_symbols3 ="|usecasesensitive|usedefaulttypes|usedevel|useieee|useithreads|usemultiplicity|usemymalloc|usedebugging_perl|useperlio|usesecurelog|"
-$ config_symbols4 ="|usethreads|usevmsdebug|"
+$ config_symbols4 ="|usethreads|usevmsdebug|usefaststdio|"
$!
$ open/read CONFIG 'config_sh'
$ rd_conf_loop:
$ WC "d_stdio_stream_array='undef'"
$ WC "d_stdiobase='" + d_stdiobase + "'"
$ WC "d_stdstdio='" + d_stdstdio + "'"
+$ WC "d_faststdio='" + d_faststdio + "'"
$ WC "d_strchr='define'"
$ WC "d_strcoll='" + d_strcoll + "'"
$ WC "d_strctcpy='define'"
$ WC "usedefaulttypes='" + usedefaulttypes + "'" ! VMS-specific
$ WC "usecrosscompile='undef'"
$ WC "usedl='" + usedl + "'"
+$ WC "usefaststdio='" + usefaststdio + "'"
$ WC "useieee='" + useieee + "'" ! VMS-specific
$ WC "useithreads='" + useithreads + "'"
$ WC "uselargefiles='" + uselargefiles + "'"