memset function in c language

Question

I am studying the memset function now, but all the examples are regarding to char array as following:

char a[100];
memset(a, 0, 100);

it will s

Answer 1

It can be applied to any array. The 100 at the end is the size in bytes, so a integer would be 4 bytes each, so it would be -

int a[100];
memset(a, 0, sizeof(a)); //sizeof(a) equals 400 bytes in this instance

Get it? :)