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File Input/Output in C

Learn how to work with files in C programming.

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File I/O in C

File operations in C allow programs to store and retrieve data from external files. C provides various functions for file operations including fopen(), fclose(), fread(), fwrite(), and more.

Key File Operations

  • Opening a file - fopen()
  • Reading from file - fscanf(), fgets(), fread()
  • Writing to file - fprintf(), fputs(), fwrite()
  • Closing a file - fclose()
  • Random access - fseek(), ftell(), rewind()