[C] Handle interrupt

#include <stdio.h>      /* printf */
#include  <signal.h>
#include <stdlib.h>     /* exit(0) */
#include <time.h>       /* ctime */

/* Interupt handler (called when program recieves operating system signal */
void ihandler (int cursig) {

        /*  Set flag to terminate main() polling loop
         *  when excution reaches bottom  */
      //  isig_m = 1;

        /*  FLUSH BUFFERS  */
        fflush (stdout);   

        /*  RE-INSTALL SIGNAL HANDLER  */
        signal (cursig, SIG_DFL);

        time_t seconds;
        time (&seconds);

        fprintf(stderr,"Interrupt - received signal number <%i> ", cursig);
        fprintf(stderr,"on %s",ctime(&seconds));

        if (cursig == SIGINT)
        {
            exit(0);
        }


        /* Explain why pipe broke */
        if (cursig == SIGPIPE)
        fprintf(stderr,"SIGPIPE is received when writing to \n");

}

int main ()
{

   while(1)
   {
        signal (SIGINT,    ihandler);   /*  intercepts ^C           */
        signal (SIGTERM,   ihandler);   /*  intercepts ^kill <PID>  */
   }

  return 0;
}

Result:

SIGINT Type :
./happy 
^Cipband received signal number <2> on Wed Jan 28 16:07:24 2015


SIGTERM Type : 
./happy &
[1] 29694
 kill 29694
 ipband received signal number <15> on Wed Jan 28 16:07:35 2015

Reference:
1. [OpenSource] ipband