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void _start() {
  /* ... */
  exit(main(argc, argv));
}

Wiki MarkupHowever, making it out of main is conditional on correctly handling all errors in a way that does not force premature termination (see \[[ERR00-A. Adopt and implement a consistent and comprehensive error handling policy]\] and \[[ERR05-A. Application-independent code must provide error detection without dictating error handling]\]).

_Exit()

A more abrupt function, _Exit() also takes one argument and never returns. The standard specifies that _Exit() also closes open file descriptors, but does not specify if _Exit() flushes file buffers or deletes temporary files. Functions registered by atexit() are not executed.

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