Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: VMS
Date: Mon, 30 Jun 2025 07:54:36 -0000 (UTC)
Organization: A noiseless patient Spider
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On Mon, 30 Jun 2025 08:36:33 +0100, The Natural Philosopher wrote:

> I can find no agreement was to what counts as a short, long, int, at
> all.

The convention in the 64-bit *nix world is called “LP64”. This means that 
“long int” and pointers are 64 bits, while int is 32 bits.

Microsoft compilers for 64-bit, on the other hand, follow “LLP64”. This 
means that “int” and “long int” are both 32 bits; if you want a 64-bit 
integer, you have to say “long long int”.

> If it matters, use the length specific variable names.

#include <stdint.h> gives you explicit names for the various sizes, in 
both signed and unsigned alternatives.