Linux文件编程demo12标准C库写入结构体到文件.c

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于 2024-12-09 10:32:43 发布

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分类专栏： Linux系统编程文章标签： linux c语言 Linux系统编程文件编程

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#include <stdio.h>
#include <stdlib.h>

struct Test
{
	int a;
	char c;
};

int main()
{
	FILE *fp;
	struct Test data[2] = {100,'a'};
	struct Test data2;
	
	fp = fopen("./file2","w+");
	
	fwrite(&data,sizeof(struct Test),1,fp);
	fseek(fp,0,SEEK_SET);
	
	fread(&data2,sizeof(struct Test),1,fp);
	
	printf("read %d,%c\n",data2.a,data2.c);
	
	fclose(fp);
	return 0;
}