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C Language > Learn C Language > How do you perform file input and output in C?
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How do you perform file input and output in C?

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File Input and Output in C Create a variable to represent the file. Open the file and store this "file" with the file variable. Use the fprintf or fscanf functions to write/read from the file.
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File Input and Output in C
  1. Create a variable to represent the file.
  2. Open the file and store this "file" with the file variable.
  3. Use the fprintf or fscanf functions to write/read from the file.
 
 
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Experienced Computer trainer having worked in IT sector for 20 years.

You can easily do input and output using the fgetc and fputc functions. These read and write data one character at a time. The usage is defined in stdio. h and is quite straightforward: fgetc reads (gets) a single character from a file, and fputc puts a single character into a file.
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