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Re: atof()


On Mon, Aug 19, 2002 at 10:49:53AM -0700, Reinaldo Nolasco Sanches wrote:
> 
> I have a problem with atof()... and I don't understand because it...
> When I use atof() to get a value of a string... and put in my double var, the value is not the
> same...
> 
> I make a little example...
> 
> #include <stdio.h>

You need

#include <stdlib.h>

to get the prototype of atof.

> 
> int main()
> {
> 	double teste;
> 	char   strteste[10];
> 	
> 	strcpy( strteste, "120.1" );
> 	
> 	teste = atof( strteste );
> 	
> 	printf( "\n\tResult is = %.2f\n\n", teste );
> 	
> 	return 0;
> }
> 
> and the result is this
> 
>     Result is = 1078984704.00
> 
> and I don't understand this... I make this in several PCs... and in a SuSE, in a Slackware and in
> a RedHat(urgg!), and in all the erro ocurred...
> 
> I don't know if I need set a specific #define... or a specific environment var...
> 
> Please... anybody can help me ???
> 


H.J.


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