Computer Science Questions and Answers: C-Programming (File) Part - 13

1) What is a file?

A file is a collection of data that is available in permanent storage.

2) Write the syntax for file declaration.

syntax: FILE *filepointer;

Ex: FILE *fp;

3) What are modes in file?

Mode tells about the types operations like read,write or append that can be performed on a file that is being opened.

4) Write the syntax to open a file.

syntax: filepointer=fopen(FILENAME,MODE);

Ex: fp=fopen(“in.dat”,r);

5) What is the significance of fclose() function?

This function closes a file that has been opened for an operation. Syntax:

fclose(filepointer);

Ex: fclose(fp);