question How do you define a constant pointer to a constant integer in C

Programming

How do you define a constant pointer to a constant integer in C?

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

'const int *const ptr;' defines a constant pointer to a constant integer in C.

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

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];

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

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

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 'strncpy' function in C?

A. Compare strings
B. Concatenate strings
C. Copy a specified number of characters from one string to another
D. Convert strings

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

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

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

A. Search for a character in a string
B. Search for a string in another string
C. Compare strings
D. Concatenate strings

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;

What is the output of printf("%d", sizeof(1.5));?

A. 4
B. 8
C. 2
D. 1