Question: Given the data structure shown below, write the isEmpty function struct queueNode { char data; struct queueNode *nextPtr; }; typedef struct queueNode QueueNode; typedef QueueNode

Given the data structure shown below, write the isEmpty function

struct queueNode {

char data;

struct queueNode *nextPtr;

};

typedef struct queueNode QueueNode;

typedef QueueNode *QueueNodePtr;

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