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C | Dynamic Memory Allocation | Question 2
Consider the following three C functions :
C
Which of the above three functions are likely to cause problems with pointers? (GATE 2001)
[PI] int * g (void)
{
int x= 10;
return (&x);
}
[P2] int * g (void)
{
int * px;
*px= 10;
return px;
}
[P3] int *g (void)
{
int *px;
px = (int *) malloc (sizeof(int));
*px= 10;
return px;
}
(A)
Only P3
(B)
Only P1 and P3
(C)
Only P1 and P2
(D)
P1, P2 and P3
Answer
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