#include <string.h>#include <stdio.h>//#include <stdlib.h>void foo (char *bar){ unsigned long my_long = 101010101; // in hex: \xB5\x4A\x05\x06 char buffer[28]; printf("my_long value = %lu\n", my_long); strcpy(buffer, bar); printf("my_long value = %lu\n", my_long);}int main (int argc, char **argv){ foo("my string is too long !!!!!"); // all is normal foo("my string is too long !!!!! \x15\xcd\x5b\x07"); // overwrites my_long return 0;}