Unexpected result from printf

Question

#include<stdio.h>
int main()
{
    printf("He %c llo",65);
}

Output: He A llo

#include<stdio.h>
int main()
{
    printf("He %c llo",13);
}

Output: llo. It doesnt print He.

I can understand that 65 is ascii value for A and hence A is printed in first case but why llo in second case.

Thanks

Answer 1

ASCII 13 is carriage return, which on some systems simply moves the cursor to the beginning of the line you were just on.

Further characters then wipe out the earlier text.