新建 RTF 文档.rtf

【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