Junk - Revision history

Arjun Suresh at 15:28, 16 July 2014

2014-07-16T15:28:57Z

Arjun Suresh at 15:28, 16 July 2014

2014-07-16T15:28:37Z

Arjun Suresh at 15:15, 16 July 2014

2014-07-16T15:15:08Z

Arjun Suresh: Created page with "main() { int a; a=5; printf("%d %d %d\n",a,a++, a++); } asuresh@parambara:~$ icc m1.c asuresh@parambara:~$ ./a.out 7 5 6 asuresh@parambara:~$ gcc -Wall m1.c m1.c:2:1: warning..."

2014-07-16T15:13:15Z

Created page with "main() { int a; a=5; printf("%d %d %d\n",a,a++, a++); } asuresh@parambara:~$ icc m1.c asuresh@parambara:~$ ./a.out 7 5 6 asuresh@parambara:~$ gcc -Wall m1.c m1.c:2:1: warning..."

New page

main()
{
int a;
a=5;
printf("%d %d %d\n",a,a++, a++);
}

asuresh@parambara:~$ icc m1.c
asuresh@parambara:~$ ./a.out
7 5 6
asuresh@parambara:~$ gcc -Wall m1.c
m1.c:2:1: warning: return type defaults to ‘int’ [-Wreturn-type]
main()
^
m1.c: In function ‘main’:
m1.c:6:29: warning: operation on ‘a’ may be undefined [-Wsequence-point]
printf("%d %d %d\n",a,a++, a++);
^
m1.c:6:29: warning: operation on ‘a’ may be undefined [-Wsequence-point]
m1.c:7:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
asuresh@parambara:~$ ./a.out
7 6 5

(FYI- icc is Intel compiler made by Intel and gcc is GNU compiler)

@@ Line 30: / Line 30: @@
 (FYI- icc is Intel compiler made by Intel and gcc is GNU compiler)
-Now if you can't explain this, you may read below
+ Now if you can't explain this, you may read below
 {{:Undefined_Value}}

← Older revision		Revision as of 15:28, 16 July 2014
Line 29:		Line 29:

	(FYI- icc is Intel compiler made by Intel and gcc is GNU compiler)		(FYI- icc is Intel compiler made by Intel and gcc is GNU compiler)
		+
		+	Now if you can't explain this, you may read below
		+
		+	{{:Undefined_Value}}

@@ Line 1: / Line 1: @@
-main()
+<syntaxhighlight lang="c" name="junk_1">
+{
 int a;
@@ Line 6: / Line 8: @@
+}
-asuresh@parambara:~$ icc m1.c
+</syntaxhighlight>
 asuresh@parambara:~$ ./a.out
 5 6
-asuresh@parambara:~$ gcc -Wall m1.c
+ asuresh@parambara:~$ gcc -Wall m1.c
 m1.c:2:1: warning: return type defaults to ‘int’ [-Wreturn-type]
 main()
@@ Line 21: / Line 25: @@
+}
+^
-asuresh@parambara:~$ ./a.out
+ asuresh@parambara:~$ ./a.out
 6 5
 (FYI- icc is Intel compiler made by Intel and gcc is GNU compiler)