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

float *x = NULL;

void seghandler( int signal ) {
  printf("\nCaught seg fault %d\n", signal );
  return;
}

void bushandler( int signal ) {
  printf("\nCaught bus error %d\n", signal );

  x = malloc(sizeof(float));
  *x = 42.0;

  return;
}

int main(int argc, char *argv[]) {
  float q;
  
  signal( SIGSEGV, seghandler );
  signal( SIGBUS, bushandler );

  q = *x;

  return(0);

  printf("%.2f\n", x[0]);

  return(0);
}