Question

How can I convert a char to Int?

This is what I have done so far.

Thanks

scanf("%s", str );

printf("str: %s\n", str);

int i;
if(isdigit(*str))
    i = (int) str;
else {
    i = 3;
}

test case

7
str: 7
i: 1606415584  

Answer 1

If you want to parse an integer from a string:

i = atoi(str);