C function to test string or integer

qqq · #1 (**permalink**) 03-06-2005

Hi everyone ,
Is there any predefined C function that tests whether an input is string or an integer?
Thank's in advance

Perderabo · #2 (**permalink**) 03-06-2005

You can use strtol to convert the string to an integer. strtol can report on the first invalid character. No invalid characters means the entire string was an integer.

qqq · #3 (**permalink**) 03-06-2005

I have tried it and it works. Thank's Perderabo!!

sivaji9 · #4 (**permalink**) 03-10-2005

I have tried it and it works. Thank's Perderabo!!

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