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Date: Sat, 05 Aug 2023 15:14:34 +0300
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From: "Eli Zaretskii (eliz AT gnu DOT org) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
To: djgpp AT delorie DOT com
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Subject: Re: compilation of sqlite3 on dos using djgpp
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Reply-To: djgpp AT delorie DOT com

> Date: Sat, 05 Aug 2023 11:58:02 +0000
> From: "gnufan42 (gnufan42 AT protonmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
> 
> Why wasn't mmap implemented in the first place?

Because DPMI 0.9 doesn't support the required functionality, AFAIR.