【文件属性】：
文件名称：新建 RTF 文档.rtf
文件大小：46KB
文件格式：RTF
更新时间：2023-03-26 05:29:01
C语言
#include
#define N 5
typedef struct student {
long sno;
char name[10];
float score[3];
} STU;
void fun(char *filename, STU n)
{ FILE *fp;
/**********found**********/
fp = fopen(filename, "rb+");
/**********found**********/
fseek(fp, -(long)sizeof(STU), SEEK_END);
/**********found**********/
fwrite(&n, sizeof(STU), 1, fp);
fclose(fp);
}
void main()
{ STU t[N]={ {10001,"MaChao", 91, 92, 77}, {10002,"CaoKai", 75, 60, 88},
{10003,"LiSi", 85, 70, 78}, {10004,"FangFang", 90, 82, 87},
{10005,"ZhangSan", 95, 80, 88}};
STU n={10006,"ZhaoSi", 55, 70, 68}, ss[N];
int i,j; FILE *fp;
fp = fopen("student.dat", "wb");
fwrite(t, sizeof(STU), N, fp);
fclose(fp);
fp = fopen("student.dat", "rb");
fread(ss, sizeof(STU), N, fp);
fclose(fp);
printf("\nThe original data :\n\n");
for (j=0; j
