Date: Mon, 4 Jun 2001 03:17:49 -0400
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	Zaretskii on Mon, 4 Jun 2001 09:59:06 +0300 (IDT))
Subject: Re: [patch] Second draft: a64l and l64a
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> What do other implementations, like glibc, do in that case?

glibc:

0x7ffffffc `/zzzzw'
0x7ffffffd `/zzzzx'
0x7ffffffe `/zzzzy'
0x7fffffff `/zzzzz'
0x80000000 `0.....'
0x80000001 `0..../'
0x80000002 `0....0'
0x80000003 `0....1'
0x80000004 `0....2'

0xfffffffc `1zzzzw'
0xfffffffd `1zzzzx'
0xfffffffe `1zzzzy'
0xffffffff `1zzzzz'
0x00000000 `'
0x00000001 `/'
0x00000002 `0'
0x00000003 `1'
0x00000004 `2'

glibc uses ./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
for the base-64 "digits".

So, it looks like glibc treats the value as unsigned.