Thanks lusi, This problem is done by using strtoul() function instead of atol(),

bluewave (AlwaysStudent)
2002-2-14 -04:00
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Back To Topic: Please help C questions- convert array to unsigned long: I have an array b[0] ='1'; ..b[6]='7'; b[7]=0; I want convert to unsigned long usl; usl = atol(buffer); there is no problem, but ...

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