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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!weretis.net!feeder8.news.weretis.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Marcel Logen <333200007110-0201@ybtra.de> Newsgroups: sci.crypt Subject: Re: lun - Lucky Number Date: Sun, 16 Mar 2025 23:21:50 +0100 Organization: Bureau Logen =?UTF-8?Q?=F0=9F=A5=A8?= Lines: 20 Message-ID: References: <87senejdap.fsf@pc-731.ybtra.de> <87msdlb59m.fsf@pc-731.ybtra.de> <87v7s911d2.fsf@pc-731.ybtra.de> Mime-Version: 1.0 X-Trace: individual.net CBFdcZ6P+5yq8AiNqs3j0QjTiAmGdNxT/26DhFnwWeBL1SszWT X-Orig-Path: not-for-mail Cancel-Lock: sha1:XCZ+tRSBhq54qKgCpzqYYcqLPko= sha256:qqNQXVxfb8POFMIO2GwrV3FIpeqo3nrgopYk1eUW9FA= Injection-Date: Sun, 16 Mar 2025 22:21:50 -0000 User-Agent: flnews/1.3.0pre28 (for GNU/Linux) Bytes: 1787 Richard Heathfield in sci.crypt: >On 16/03/2025 14:57, Marcel Logen wrote: >>Richard Heathfield in sci.crypt: >>>#define BIT_QRY(x,i) (((x)[(i)>>3] & (1<<((i)&7)))!=0) >> >>This is actually another C question: >> >>Why does it have to be "(x)" and "(i)" everywhere instead of >>"x" and "i"? What kind of "protection" is meant here? [...] >If in doubt, steer well clear of side effects in macros. Ah, OK, all this refers to macros. I had initially assumed that it was generally about paren- theses around variable names. Marcel