> That's not true.  _PATH_RESCONF is only loaded at resolver library init time
> (first use of a resolver function) and isn't reloaded after that.  Processes
> using the libc resolver will not see changes to /etc/resolv.conf after its
> initial reading of it.

Tell us more.

I often change /etc/resolv.conf.

   Jeremy C. Reed
   http://bsd.reedmedia.net/