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



Henrik....
Din klokke er foran....
Søren

Henrik Witt-Hansen wrote:
> 
> 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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