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C Programming Code Examples

C > Beginners Lab Assignments Code Examples

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

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("c.happycodings.com");
  }

         
/*
c.happycodings.com/

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