帮助将Strcmp（）与二进制文件一起使用

void display_a_student()

void display_a_student()
{
        struct student aStudent;

        char studentNumSearch[11];
        int index=0;
        int found = false;

        fp = fopen("binary1.dat", "a+b");
        fp1 = fopen("index.dat", "a+b");

        printf("nnWhich student are you searching for?");
        scanf("%s", studentNumSearch);
        fflush(stdin);

    while(!found && index < 10)
    {
        if(strcmp(studentNumSearch,fp1[index].studentNum)==0)
        {
            found = true;
        }
        index++;
    }

    if (found)
    {
        fseek(fp, fp1[index].offset, SEEK_SET);
        fread(&aStudent,sizeof(struct student),1,fp);
        printf("nnThe student name is %sn",aStudent.firstName);
    }
    else
    {
        printf("nnNo such studentn");

    }

    fclose( fp ); /* fclose closes file */
    fclose (fp1);
    getchar();

}