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C Programming :: Memory Allocation

Memory Allocation - General Questions
Memory Allocation - Point Out Errors
Memory Allocation - Yes / No Questions
Memory Allocation - Find Output of Program
Memory Allocation - True / False Questions
Memory Allocation - Point Out Correct Statements

  1. Point out the error in the following program.

    #include 
#include

  int main() 
  {    
        int *a[3];    
        a = (int*) malloc(sizeof(int)*3);   
        free(a);   
        return 0;
 }

    2. A.

    Error: unable to allocate memory
    B.

    Error: We cannot store address of allocated memory in a
    C.

    Error: unable to free memory
    D.

    No error

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  2. Point out the error in the following program.

     #include
 #include 

  int main() 
  {
      char *ptr;  
     *ptr = (char)malloc(30);     
     strcpy(ptr, "RAM");     
     printf("%s", ptr);    
     free(ptr);    
     return 0; 
 }

     

    3. A.

    Error: in strcpy() statement.
    B.

    Error: in *ptr = (char)malloc(30);
    C.

    Error: in free(ptr);
    D.

    No error

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