How do I do to delete a student record from a file using its ID in C?

Question

I want to do a copy and paste then replace to proceed but at the end it deletes everything in the file. (void deleteStudent(int NCIN). Her is the code:
https://code.sololearn.com/c4zp0fA1UApN/?ref=app

Answer 1

Read carefully maybe you got it👍

https://www.xspdf.com/resolution/56096047.html

Answer 2

https://stackoverflow.com/questions/13540193/edit-modify-delete-of-record-from-a-random-access-file-in-c