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fread.c
Package: C语言精彩编程百例_源代码.rar [view]
Upload User: bjtelijie
Upload Date: 2010-01-01
Package Size: 87k
Code Size: 1k
Category:
Algorithm
Development Platform:
Visual C++
- # include <stdio.h>
- # include <stdlib.h>
- void main()
- {
- FILE *fp;
- int i = 156;
- long l = 9701076L;
- double d = 3.456;
- if((fp=fopen("test", "w"))==NULL)
- {
- printf("不能打开文件.n");
- exit(0);
- }
- fwrite(&i, sizeof(int), 1, fp);
- fwrite(&l, sizeof(long), 1, fp);
- fwrite(&d, sizeof(double), 1, fp);
- rewind(fp);
- fread(&i, sizeof(int), 1, fp);
- fread(&l, sizeof(long), 1, fp);
- fread(&d, sizeof(double), 1, fp);
- printf("i = %dn", i);
- printf("l = %ldn", l);
- printf("d = %fn", d);
- fclose(fp);
- }