/** Rule: FIO23-C
* Source: wiki
* Status: FAIL - Should trigger FIO23-C violation
*/#include<stdio.h>voidcleanup(void){/* Do cleanup */printf("All cleaned up!\n");}intmain(void){atexit(cleanup);printf("Doing important stuff\n");/* Do important stuff */if(fclose(stdout)== EOF){/* Handle error */}return0;}