Yingying has two pointers list_p1 and list_p2 with type node_t**, pointing to the head of two singly-linked lists separately. Both link lists have sufficient and valid elements. She makes the following two calls to delete: delete (list_p1, 3); delete (list_p2, 7); In the second call to delete, an error occurs inside free (). USING 40 WORDS OR FEWER, explain a possible reason why such error may have occurred.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Yingying has two pointers list_p1 and list_p2 with type node_t**, pointing to the
head of two singly-linked lists separately. Both link lists have sufficient and valid elements. She makes the
following two calls to delete:
delete (list_p1, 3);
delete (list_p2, 7);
In the second call to delete, an error occurs inside free (). USING 40 WORDS OR FEWER, explain a
possible reason why such error may have occurred.
Transcribed Image Text:Yingying has two pointers list_p1 and list_p2 with type node_t**, pointing to the head of two singly-linked lists separately. Both link lists have sufficient and valid elements. She makes the following two calls to delete: delete (list_p1, 3); delete (list_p2, 7); In the second call to delete, an error occurs inside free (). USING 40 WORDS OR FEWER, explain a possible reason why such error may have occurred.
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