创建存储二进制文件c语言,C 创建链表并将信息存储在二进制文件中读取的实例代码...

#include

#include

typedef struct Node {

int data;

struct Node *next;

} Node;

void getInfo(Node * node);

int printNodes(Node *node);

void saveToFile(Node * node, char * filename);

void readFromFile(char * filename, int n);

Node nodes[20];

int main() {

Node *first = (Node *) malloc(sizeof(Node));

first->data = 1;

first->next = NULL;

getInfo(first);

int numbers = printNodes(first);

saveToFile(first, "D:/123123");

readFromFile("D:/123123", numbers);

return 1;

}

void getInfo(Node * node) {

Node *last = node;

char ch = 0;

while ((ch = getchar()) != 'x') {

Node *newNode = (Node *) malloc(sizeof(Node));

newNode->data = ch - 'a';

newNode->next = NULL;

last->next = newNode;

last = newNode;

}

}

int printNodes(Node * node) {

int i = 1;

Node *p = node;

while (p != NULL ) {

printf("%d,", p->data);

p = p->next;

i++;

}

return i;

}

void saveToFile(Node * node, char * filename) {

Node *p = node;

FILE *fp;

if ((fp = fopen(filename, "wb")) == NULL ) {

return;

} else {

while (p != NULL ) {

fwrite(p, sizeof(Node), 1, fp);

p = p->next;

}

}

fclose(fp);

}

void readFromFile(char * filename, int n) {

int i = 1;

FILE *fp;

if ((fp = fopen(filename, "rb")) == NULL ) {

return;

} else {

while (i < n) {

Node *newNode = (Node *) malloc(sizeof(Node));

fread(newNode, sizeof(Node), 1, fp);

printf("--%d,",newNode->data);

i++;

}

}

}