IN C LANGUAGE

Develop a program to manage a student database for a university course. The program should utilize structures to store information about each student, including their name, age, gender, department enrolled, grades, average grade, and performance evaluation. The performance evaluation should be based on the student's average grade.

Your task is to implement the program with the following functionalities:

A function to input details of $5$ students from the user, including their name, age, gender, department enrolled, and grades for $5$ subjects.

A function to calculate the average grade for each student based on their grades in the subjects.

A function to evaluate the performance of each student based on their average grade. The performance evaluation should be categorized as follows:

Excellent: Average grade $90$

Good: $70$ Average grade $<mn>9</mn><mn>0</mn>$

Average: $60$ Average grade $<mn>7</mn><mn>0</mn>$

Poor: Average grade $<mn>6</mn><mn>0</mn>$

A function to display all student records, including their name, age, gender, department enrolled, average grade, and performance evaluation.