Updating a file random access in c


03-Feb-2020 14:49

10 is the length of the string that needs to be read every time. Why I used if(fgets(str, 10, fpr)==NULL as a logic to determine end of the file?

updating a file random access in c-14

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updating a file random access in c-56

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If file does not open successfully then the pointer will be assigned a NULL value, so you can write the logic like this: This code will check whether the file has opened successfully or not.fpw – FILE pointer to the output file, in which record needs to be written.



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