C语言内存安全 #

char buf[10];
strcpy(buf, "This is a very long string");

int* p;
*p = 10;

int* p = (int*)malloc(sizeof(int));
free(p);
*p = 10;

int arr[5];
arr[10] = 100;

strncpy(dest, src, sizeof(dest) - 1);
dest[sizeof(dest) - 1] = '\0';

int* p = NULL;

if (index >= 0 && index < size) {
    arr[index] = value;
}