What type of initialization is needed for the segment "ptr[3] = '3';" to work?
A. char *ptr = "Hello!";
B. char ptr[] = "Hello!";
C. both char *ptr = "Hello!"; and char ptr[] = "Hello!";
D. none of the mentioned
Answer: Option B
Related Questions on Pointer
In C, what is a pointer primarily used for?
A. Decision making
B. Code organization
C. Variable declaration
D. Storing values
In C, how do you declare a pointer variable that can store the address of an integer?
A. int *ptr;
B. ptr int;
C. int ptr;
D. ptr *int;
What is the purpose of the '->' operator in C when used with pointers?
A. Arithmetic operation
B. Indirection operator
C. Member access operator
D. Bitwise operation
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