question What is the purpose of the strncpy function in C

Programming

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

'strncpy' is used to copy a specified number of characters from one string to another.

What is the role of 'calloc' 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

How do you close a file in C?

A. close(file);
B. fclose(file);
C. file.close();
D. endfile(file);

What is the format specifier for printing a float in C?

A. %f
B. %d
C. %s
D. %c

In C, how do you declare a constant?

A. const
B. constant
C. Const
D. #define

How is a single-line comment written in C?

A. // Comment
B. /* Comment */
C. # Comment
D. -- Comment

What is the output of printf("%s", "Hello" + 1);?

A. Hello
B. ello
C. H
D. e

How do you open a file for writing in C?

A. fopen("file.txt", "r");
B. open("file.txt", "w");
C. fopen("file.txt", "w");
D. open("file.txt", "r");

What is the role of the 'static' keyword in Java?

A. Create a static method
B. Create a static variable
C. Define a constant
D. Create a static class

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

A. Concatenate strings
B. Copy strings
C. Compare strings
D. Convert strings

What is the purpose of the 'super()' constructor in Java?

A. Invoke the superclass constructor
B. Refer to the parent class
C. Invoke the subclass constructor
D. Create a superclass instance