Add portable version and m88k-specific version lb() function, because
authoraoyama <aoyama@openbsd.org>
Wed, 7 Jun 2023 12:56:22 +0000 (12:56 +0000)
committeraoyama <aoyama@openbsd.org>
Wed, 7 Jun 2023 12:56:22 +0000 (12:56 +0000)
commit9889fdb6ea5dfbf5cf7ff6270ed17b8551db7eef
tree7435395913cafafb4c577596361f4489d77e0959
parent76b147501602ba0185d1d6c173b97b4335c54b37
Add portable version and m88k-specific version lb() function, because
unfortunately gcc3 does not have __builtin_clz().

ok miod@ otto@
lib/libc/stdlib/malloc.c