LEC20081117 - Introduction to Computer Programming November...

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Introduction to Computer Programming November 17, 2008 CSC180 Fall 2008, University of Toronto
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Implement singly-linked lists Implementation: /* list.h */ #ifndef LIST_H #define LIST_H struct node { int data; struct node *next; }; /* function prototypes */ int size_list(struct node **head); void add_node(struct node **head, int data); int delete_node(struct node **head, int data); void append_node(struct node **head, int data); void print_list(struct node **head); void sorted_add_node(struct node **head, int data); void sort_list(struct node **head); CSC180 Fall 2008, University of Toronto 1
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void reverse_list(struct node **head); void free_list(struct node **head); #endif /* list.c */ #include <stdio.h> #include <stdlib.h> #include "list.h" /* safe malloc, from GNU */ void *xmalloc (size_t size) { register void *value = malloc(size); if (value == 0) { fprintf(stderr, "memory exhausted"); exit(1); } return value; } /* list size, i.e., number of nodes */ int size_list(struct node **head) { CSC180 Fall 2008, University of Toronto 2
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struct node *p; for (p = *head; p != NULL; p = p->next, ++n) ; return n; } /* add a node to the front of a list */ void add_node(struct node **head, int data) { struct node *node = xmalloc(sizeof(struct node)); node->data = data; node->next = *head; *head = node;
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This note was uploaded on 01/10/2011 for the course CSC 180 taught by Professor Na during the Fall '01 term at University of Toronto- Toronto.

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LEC20081117 - Introduction to Computer Programming November...

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