* Rich Felker <dalias@libc.org> [2014-07-28 12:27:32 -0400]:
> My leaning is to go with the version that's smaller and more flexible;
> I think the time spent in this function will usually be heavily
> dominated by the binary search for the message text. But it's cool to
> have both for possible future uses (independent of musl, even).

i have a bit smaller pleval.c version:
non-pic .o with -Os is 980 vs 826 bytes here,
has about the same speed,
binary op parsing is a bit magical otherwise clean