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To design and implement a menu-driven program in C for managing BCA student records, we need to structure the program into a `main()` function that controls the menu flow and several user-defined functions for each operation, namely: `addStudent()`, `displayStudents()`, `searchStudent()`, `modifyStudent()`, and `deleteStudent()`. The primary objective is to allow the user to interactively perform CRUD (Create, Read, Update, Delete) operations on student records. Each record will contain fields such as Roll Number, Name, Course, and Marks, though additional fields can be added based on requirement. We start by defining a structure `Student` to hold student details. Using structures enables the program to manage multiple attributes of a student in a single variable. An array of structures will store the student records, and an integer variable `count` will keep track of the number of students currently in the database. ```c #include #include #define MAX 100 struct Student { int rollNo; char name[50]; char course[50]; float marks; }; struct Student students[MAX]; int count = 0; ``` The first function, `addStudent()`, will prompt the user to input student details, store them in the `students` array, and increment the `count`. The function also validates whether the array has space for additional records. ```c void addStudent() { if (count >= MAX) { printf("Cannot add more students. Database full.\n"); return; } printf("Enter Roll Number: "); scanf("%d", &students[count].rollNo); printf("Enter Name: "); scanf(" %[^\n]", students[count].name); ____ _____ ________ _____ __________ _________ __________.
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