atexit: causes the function pointed to by func to be called upon normal program termination : atexit « stdlib.h « C / ANSI-C

1. C / ANSI-C
2. stdlib.h
3. atexit

atexit: causes the function pointed to by func to be called upon normal program termination

    

//Declaration: int atexit(void (*func)(void)); 
//Return:      returns zero if the function is successfully registered as a termination function and nonzero otherwise. 

  


  #include <stdlib.h>
  #include <stdio.h>

  void done(void);

  int main(void)
  {
    if(atexit(done)){
          printf("Error in atexit().");
    }
    return 0;
  }

  void done(void)
  {
    printf("Hello There");
  }

         
/*
Hello There*/ 

           
       

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