question What is the purpose of the malloc function in C

Programming

What is the purpose of the 'malloc' function in C?

A. Allocate memory for an array
B. Free allocated memory
C. Allocate memory for a variable
D. Allocate and initialize memory for an array

'malloc' is used to allocate memory for an array.

How do you declare a constant integer in C?

A. int constant = 5;
B. constant int = 5;
C. const int constant = 5;
D. int constant(5);

How do you define a macro in C?

A. #define MACRO_NAME()
B. define MACRO_NAME():
C. #macro MACRO_NAME
D. #define MACRO_NAME value

What is the output of printf("%d", 5 << 2);?

A. 20
B. 10
C. 40
D. 5

What is the purpose of the 'strtok' function in C?

A. Tokenize a string
B. Compare strings
C. Concatenate strings
D. Copy strings

How do you declare a structure in C?

A. struct myStruct;
B. struct = myStruct;
C. myStruct struct;
D. struct myStruct { };

How do you declare a two-dimensional array in C?

A. int arr[][];
B. int arr[];
C. int arr[][] = new int[];
D. int arr[][3];

How do you use the 'const' keyword with a pointer in C?

A. const *ptr;
B. *const ptr;
C. const ptr;
D. const int *ptr;

Which header file is needed for file input and output operations in C?

A. stdlib.h
B. string.h
C. stdio.h
D. math.h

What does the 'exit()' function do in C?

A. Close a file
B. Terminate the program
C. Return from a function
D. Print a message

What is the purpose of the 'enum' keyword in C?

A. Declare a structure
B. Declare an enumeration
C. Declare a function
D. Declare a variable