#  include <stdio.h>
int main(void)
{
    char love[] = "yhwh is love";
    char *ptr = love;
    *ptr = 'Y';

    ptr = ptr + 1;
    *ptr = 'H';

    ptr = ptr + 1;
    *ptr = 'W';

    ptr = ptr + 1;
    *ptr = 'H';

    printf("In the beginning %s",ptr);
    
    return 0;

}

In the beginning H is love