Retrieve Value from NSString

i have a NSString instance ,i want to retrieve value开发者_开发问答 from it and store it into an integer. This is wat i am doing but its not working.

NSString *totalcnt;
char *str = totalcnt;
int a = atoi(str);

Help me out. Thanks

Taimur

If you are dealing with Objective-C objects, use Objective-C:

int a = [totalcnt intValue];

Reference: intValue

In your code example, you don't instantiate a NSString but I hope your are doing it in your real code. Otherwise, totalcnt is a wild pointer.

int a = [totalcnt intValue];