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IT Placement Practice Test 1

Question : 34

Total: 40

Consider the following three C functions:

[PI] int * g (void)  
  {  
  int x= 10;  
  return (&x);  
  }  
  [P2] int * g (void)  
  {  
  int * px;  
  *px= 10;  
  returnpx;  
  }  
  [P3] int *g (void)  
  {  
  int *px;  
  px = (int *) malloc (sizeof(int));  
  *px= 10;  
  returnpx;  
 }

Which of the above three functions are likely to cause problems with pointers?

Only P3
Only P1 and P3
Only P1 and P2
P1, P2 and P3

Validate

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