What are the uses of the status variable in the C language?

  1. Used to indicate the current status of a program, such as success, failure, error, etc.
  2. Return values are typically used to indicate the success of a function.
  3. Used to indicate the status of the file opening, such as opening successfully, opening failed, etc.
  4. This is used to indicate the status of network communication, such as successful or disconnected connections.
  5. Used to indicate the execution status of a process, such as running, stopped, etc.
  6. Used to indicate the execution status of a thread, such as running or finished.
  7. This is used to indicate error codes from the operating system, such as file not found, insufficient permissions, and so on.
  8. Used to indicate the results of database operations, such as successful queries or failed insertions.
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