Re: conjugaison et autres exos sur les chaines [Was : Un système de conj...]

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Article #15445

#15445

From: Antoine Leca
Date: Tue, 20 Sep 2005 09:24

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En <news:432f1360$0$1010$8fcfb975@news.wanadoo.fr>, harpo va escriure:
> On Mon, 19 Sep 2005 20:54:41 +0200, Emmanuel Delahaye wrote:
>> Peu importe la valeur physique de NULL, du moment qu'il s'agit d'un
>> pointeur, c'est 0 vu du C.
>
> Dans ce cas, pourquoi avoir d�fini 'NULL' si c'est 0, autant dire 0,
> �a va plus vite.

Sucre syntaxique, pour permettre au lecteur de bien d�ff�rencier
l'utilisation du pointeur nul des autres utilisations de 0 (la valeur et le
caract�re terminant les cha�nes, ce dernier pouvant s'�crire aussi '\0').

Autrement dit, c'est du style, cela remonte aussi loin que les ann�es 70, �a
vient des Bell Labs K&R etc. (autant de points de plus) et on ne peut pas te
critiquer de t'en passer.

Antoine

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<1126342327.583568.21420@g43g2000cwa.googlegroups.com> <4329e5d4$0$7846$8fcfb975@news.wanadoo.fr> <dge4b6$fqa$1@reader1.imaginet.fr> <mn.837a7d59123d924a.15512@YOURBRAnoos.fr> <432adddf$0$17220$8fcfb975@news.wanadoo.fr> <mn.84407d597cfa6e6e.15512@YOURBRAnoos.fr> <432b2a92$0$7861$8fcfb975@news.wanadoo.fr> <432c19e0$0$1710$8fcfb975@news.wanadoo.fr> <432cad90$0$27422$8fcfb975@news.wanadoo.fr> <432d1b7c$0$1743$8fcfb975@news.wanadoo.fr> <432d3117$0$1742$8fcfb975@news.wanadoo.fr> <mn.93877d590449a7bc.15512@YOURBRAnoos.fr> <432d7667$0$17248$8fcfb975@news.wanadoo.fr> <mn.94047d599f0cc076.15512@YOURBRAnoos.fr> <432da70c$0$1735$8fcfb975@news.wanadoo.fr> <432dd52f$0$622$626a14ce@news.free.fr> <mn.95687d59be8517f2.15512@YOURBRAnoos.fr> <432df189$0$2933$626a14ce@news.free.fr> <432e973a$0$1013$8fcfb975@news.wanadoo.fr> <432ec68e$0$3758$626a14ce@news.free.fr> <432eff47$0$27415$8fcfb975@news.wanadoo.fr> <mn.9ce67d59d5b1a352.15512@YOURBRAnoos.fr> <432f1360$0$1010$8fcfb975@news.wanadoo.fr>

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From: "Antoine Leca" <root@localhost.invalid>
Newsgroups: fr.comp.lang.c
Subject: Re: conjugaison et autres exos sur les chaines [Was : Un système de conj...]
Date: Tue, 20 Sep 2005 11:24:30 +0200
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