You got Simon.

I change it to use long long with atoll and it works:
#include <string.h>
#include <stdio.h>
#include <stdlib.h>

int main(void)
{
long long num;
char sBuf[30];

sprintf(sBuf, "6027461692 ");
num = atoll(sBuf);
exit(0);

"Simon Coulter" <shc@xxxxxxxxxxxxxxxxx> wrote in message
news:mailman.5522.1264803718.2580.c400-l@xxxxxxxxxxxxxxx

On 30/01/2010, at 8:58 AM, Lim Hock-Chai wrote:

does anyone know why the result of this atol is 2147483647?


Overflow.

Regards,
Simon Coulter.
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