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Re: [CPROG] C-programmering i MS Visual Studio



Ok hvorfor 0 ved abc123???

Og vil det sige hvis jeg skriver et kommatal laver atoi det om til nærmeste
hele tal??
"Henrik Witt-Hansen" <sslug@sslug> wrote in message
news:sslug@sslug
> Hi.
>
> > funktionen atoi hvad gør den egentligt?? Sikrer at en
> > given input ER en integer eller??
>
> Konverterer den del af en streng som er et tal, til et tal..
>   ehem. altså....
>
>
>
> #include <stdio.h>
> #include <stdlib.h>
> #include <unistd.h>
> int main()
> {
>   char string1[]="123abc";
>   char string2[]="abc123";
>   char string3[]="abc";
>   char string4[]="123";
>   printf("%s: %d\n",string1,atoi(string1));
>   printf("%s: %d\n",string2,atoi(string2));
>   printf("%s: %d\n",string3,atoi(string3));
>   printf("%s: %d\n",string4,atoi(string4));
>   return 0;
> }
>
>
> output:
>
> 123abc: 123
> abc123; 0
> abc: 0
> 123: 123
>
>
>
>    bean
>




 
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