warning: format ‘%d’ expects type ‘int *’, but argument 2 has type ‘int’

Question

So I\'m new to C and am having trouble with whats happening with this warning. What does the warning mean and how can i fix it. The code i wrote is here:

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Answer 1

It mean that it expect a "int *" (That is: A pointer to an integer) but you give it "int" which is an integer. To fix it add & to age in the scanf line so it become.

scanf("%d\n", age);