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simple question on string concat

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Old

08-23-2007

the_learner the_learner is offline

the_learner is offline

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Join Date: Apr 2007

Posts: 75

simple question on string concat

This is a simple question...

Code:

char *str = NULL;
int  num = 0;
scanf ("%d", &num);
str = ???

I want str to point to the string num.txt

For e.g: If user enters num = 5,

str should point to "5.txt"

How do I do that ?

Thanks