printf("data = %d\n",head->next->data);
printf("data = %d\n",head->data);
printf("data = %d\n",head->next->data);main function, but the printed value has changed.
printf("data = %d\n",head->next->data);
printf("data = %d\n",head->data);
printf("data = %d\n",head->next->data);main function, but the printed value has changed.
feels like it's only one step away from segment fault.
head- > next is really a valid pointer? Have you already been passed by free? Or not initialized? No one knows what the wild pointer will bring. printf is not without side effects, it opens up a buffer concatenation string. head- > next probably refers to where it went.
put the complete program up, the existing program is completely unable to locate the cause of the problem.
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