Arjun Suresh (talk | contribs) (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...") |
Arjun Suresh (talk | contribs) |
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| Line 1: | Line 1: | ||
| − | main() | + | <syntaxhighlight lang="c" name="junk_1"> |
| + | #include<stdio.h> | ||
| + | int main() | ||
{ | { | ||
int a; | int a; | ||
| Line 6: | Line 8: | ||
} | } | ||
| − | asuresh@parambara:~$ icc m1.c | + | </syntaxhighlight> |
| − | asuresh@parambara:~$ ./a.out | + | |
| + | asuresh@parambara:~$ icc m1.c | ||
| + | asuresh@parambara:~$ ./a.out | ||
7 5 6 | 7 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] | m1.c:2:1: warning: return type defaults to ‘int’ [-Wreturn-type] | ||
main() | main() | ||
| Line 21: | Line 25: | ||
} | } | ||
^ | ^ | ||
| − | asuresh@parambara:~$ ./a.out | + | asuresh@parambara:~$ ./a.out |
7 6 5 | 7 6 5 | ||
(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) | ||
<syntaxhighlight lang="c" name="junk_1">
int main() { int a; a=5; printf("%d %d %d\n",a,a++, a++); }
</syntaxhighlight>
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)
<syntaxhighlight lang="c" name="junk_1">
int main() { int a; a=5; printf("%d %d %d\n",a,a++, a++); }
</syntaxhighlight>
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)
GATECSE