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Memory Allocation - Programming

Q1:

Point out the error in the following program. 
#include<stdio.h>
#include<stdlib.h>

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

A Error: in strcpy() statement.

B Error: in *ptr = (char)malloc(30);

C
Error: in free(ptr);

D No error

ANS:A - Error: in strcpy() statement.

Answer: ptr = (char*)malloc(30);