Something like this:
void compute(char *a, int aLen) { // could also be "unsigned int aLen"
if (a == NULL || aLen < 1) {
// error
return;
}
a[0] = 'A';
// make sure to check the length of the array before referencing deeper
into it
...
...
}
char arr[20];
compute(arr, 20);
...
Good luck!
~James
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