#include
#include

int main( )
{
int pid;
int value = 5;

pid = fork( );
if (pid == 0)
{
execlp("/bin/ls", "ls", NULL);
value += 10;
printf(value);
} else
{
wait(NULL);
}

return 0;
}
What output is printed on the screen when the above program is executed?

a.No output is printed on the screen
b.15
c.5
d.10