C
C
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exit

exit

Defined in header <stdlib.h> 
void exit( int exit_code );
 (until C11) 
_Noreturn void exit( int exit_code );
 (since C11)

Causes normal program termination to occur.

Several cleanup steps are performed:

  • functions passed to atexit are called, in reverse order of registration
  • all C streams are flushed and closed
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