The following function cycles through a linked list and displays its contents. Line 3 can be replaced with ____. 1 void display(struct myStruct *contents)2 {3 while (contents != NULL)4 {5 printf("%-30s\n",contents->name, contents->phoneNum);6 contents = contents->nextaddr;7 }8 }
A. while (isValid(contents))
B. while (contents != EOF)
C. while (!contents)
D. while (contents != NIL)
Answer: C
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