tree 4dae5eb1a3db2f3370df1985c06ebb525741ffa6
parent 519a3bf96346c18b55e9ebf61980c6c943d9d820
author Barret Rhoden <brho@cs.berkeley.edu> 1513196469 -0500
committer Barret Rhoden <brho@cs.berkeley.edu> 1513276940 -0500

parlib: Move core_sets to parlib

I converted xopen() -> open() and xstrdup() -> strdup().

I tried putting xlib in parlib, but a bunch of other projects use those
names for the same functions, and we run into conflicts.  This is why we
can't have nice things.

Signed-off-by: Barret Rhoden <brho@cs.berkeley.edu>