C Language Quiz (Set 20) - Upskilling Engineers

C Language (Set 10)

1 / 10

What is the purpose of the 'offsetof' macro in C?

To calculate the size of a data structure.

To determine the position of a field within a structure.

To include a header file.

To calculate the difference between two pointers.

2 / 10

Which C library function is used to convert a string to an integer in a specific base?

strbaseint

strtointbase

strtol

strtolong

3 / 10

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

To display a string on the screen.

To write a string to a file.

To retrieve a string from a file.

To get a string input from the user.

4 / 10

Which C library function is used to read a line from a file?

readline

fgets

getline

readfile

5 / 10

What is the purpose of the 'switch' statement in C?

To create a loop.

To define a new function.

To choose between multiple code blocks based on a value.

To print output.

6 / 10

In C, what is the purpose of the 'time_t' data type?

To store time and date values.

To store wide characters.

To store integer values.

To store floating-point values.

7 / 10

What is the purpose of the 'volatile' keyword when used in a parameter declaration in C?

To declare a volatile parameter.

To indicate that the parameter is volatile.

To define a parameter with volatile memory allocation.

To indicate that the parameter uses volatile variables.

8 / 10

Which C library function is used to allocate memory for an array of elements?

memalloc

arrayalloc

malloc

dynalloc

9 / 10

What is the result of the expression '5 + 3 * 2' in C?

10 / 10

What is the purpose of the 'restrict' keyword in a function definition in C?

To indicate that the function returns a restricted value.

To declare a restricted function.

To indicate that the function uses restricted variables.

To define a pointer to a restricted function.

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