SUNOS 4.1 dynamic loading doesn't work as documented

[Guy Harris]

 >Sorry, problem number 2 was due to a typo.  However, problem number 1
 >(dlopen() does not call _init() and dlclose() does not call fini()) still
 >holds.
 >
 >I ran "strings - /usr/lib/libdl.so* | grep ini" and saw no references to
 >init or fini.  Oh well...

Yup, it's a bug.  Note that the System V Release 4 documentation on the
"dl*()" routines doesn't mention "_init()" nor "_fini()", so if you want
your code to work under S5R4 as well, you may want to avoid depending on
"_init()" and "_fini()" working even if, as, and when the bug gets fixed.