CODE FOR new ex4.c
==================

#include <stdio.h>

int main()
{
	int age = 10;
	int height;

	bad_function();

	printf("I am %d years old.\n");
	printf("I am %d inches tall.\n", height);

	return 0;
}

void bad_function()
{
	int x;
	printf("%d\n", x);
}


=====================
VALGRIND OUTPUT
=====================

==3383== Memcheck, a memory error detector
==3383== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
==3383== Using Valgrind-3.6.1-Debian and LibVEX; rerun with -h for copyright info
==3383== Command: ./ex4
==3383==
==3383== Use of uninitialised value of size 4
==3383==    at 0x407EB2B: _itoa_word (_itoa.c:195)
==3383==    by 0x4082E55: vfprintf (vfprintf.c:1619)
==3383==    by 0x40891DE: printf (printf.c:35)
==3383==    by 0x80483FB: main (ex4.c:8)
==3383==
==3383== Conditional jump or move depends on uninitialised value(s)
==3383==    at 0x407EB33: _itoa_word (_itoa.c:195)
==3383==    by 0x4082E55: vfprintf (vfprintf.c:1619)
==3383==    by 0x40891DE: printf (printf.c:35)
==3383==    by 0x80483FB: main (ex4.c:8)
==3383==
==3383== Conditional jump or move depends on uninitialised value(s)
==3383==    at 0x4082C10: vfprintf (vfprintf.c:1619)
==3383==    by 0x40891DE: printf (printf.c:35)
==3383==    by 0x80483FB: main (ex4.c:8)
==3383==
==3383== Conditional jump or move depends on uninitialised value(s)
==3383==    at 0x4082742: vfprintf (vfprintf.c:1619)
==3383==    by 0x40891DE: printf (printf.c:35)
==3383==    by 0x80483FB: main (ex4.c:8)
==3383==
134513373
==3383== Use of uninitialised value of size 4
==3383==    at 0x407EB2B: _itoa_word (_itoa.c:195)
==3383==    by 0x4082E55: vfprintf (vfprintf.c:1619)
==3383==    by 0x40891DE: printf (printf.c:35)
==3383==    by 0x4058112: (below main) (libc-start.c:226)
==3383==
==3383== Conditional jump or move depends on uninitialised value(s)
==3383==    at 0x407EB33: _itoa_word (_itoa.c:195)
==3383==    by 0x4082E55: vfprintf (vfprintf.c:1619)
==3383==    by 0x40891DE: printf (printf.c:35)
==3383==    by 0x4058112: (below main) (libc-start.c:226)
==3383==
==3383== Conditional jump or move depends on uninitialised value(s)
==3383==    at 0x4082C10: vfprintf (vfprintf.c:1619)
==3383==    by 0x40891DE: printf (printf.c:35)
==3383==    by 0x4058112: (below main) (libc-start.c:226)
==3383==
==3383== Conditional jump or move depends on uninitialised value(s)
==3383==    at 0x4082742: vfprintf (vfprintf.c:1619)
==3383==    by 0x40891DE: printf (printf.c:35)
==3383==    by 0x4058112: (below main) (libc-start.c:226)
==3383==
I am 0 years old.
I am 68906996 inches tall.
==3383==
==3383== HEAP SUMMARY:
==3383==     in use at exit: 0 bytes in 0 blocks
==3383==   total heap usage: 0 allocs, 0 frees, 0 bytes allocated
==3383==
==3383== All heap blocks were freed -- no leaks are possible
==3383==
==3383== For counts of detected and suppressed errors, rerun with: -v
==3383== Use --track-origins=yes to see where uninitialised values come from
==3383== ERROR SUMMARY: 42 errors from 8 contexts (suppressed: 11 from 6)