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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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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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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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