:: Re: [DNG] Making sense of C pointer…
Forside
Dette indlæg hører under følgende tråd:
M------\Det komplette tråd-træ sorteret efter dato
M--++\.M\KatolaZ den <-
M+\MMMMMMKatolaZ den ->
Slet denne besked
Besvar denne besked
Skribent: Hendrik Boom
Dato:  
Til: dng
Emne: Re: [DNG] Making sense of C pointer syntax.
On Thu, Mar 31, 2016 at 08:38:26AM -0300, Emiliano Marini wrote:
> +1
>
> Besides, * and [] are interchangeable. You can define a string as an array
> and use it later as a pointer:
> 
> char s[] = "hola";
> char x = s[1];     // Here x = 'o'
> char y = *(s+2);   // Here y = 'l'

>
> And vice versa:
> 
> char *s = "hola";
> char x = s[0];     // Here x = 'h'
> char y = *(s+3);   // Here y = 'a'

Bit sizeof(s) will not be the sae iin the two versions.

-- hendrik
Dette indlæg blev indsendt til følgende postlister:
dng
Postlisteoplysninger | Naboindlæg		<-Re: [DNG] Making sense of C pointer syntax.Re: [DNG] Making sense of C pointer syntax.->

Donate to Dyne.org

dyne.org open discussions
administreres af dyne.org hackers		Lurker (version 2.3)