find a number in a file and delete its line in C

Multi tool use
Multi tool useThe name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP


find a number in a file and delete its line in C



I want to delete the data of a student by his personal ID, I want to search it by ID and delete the line where the ID was found.
I don't think it's working with fgets(), what else?









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