#include <stdio.h>
void
freeStr
(
char
**
str
)
{
*
str
=
NULL
;
}
int
main
(
)
{
char
*
str
=
(
char
*
)
"some string"
;
printf
(
"Before: %s
\n
"
,
str
)
;
freeStr
(
&
str
)
;
printf
(
"After: %s
\n
"
,
str
)
;
return
0
;
}