C Language Quiz (Set 19) - Upskilling Engineers

C Language (Set 9)

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 long integer to a string in a specific base?

ltobase

ltoa

longtobase

inttobase

3 / 10

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

To display a character on the screen.

To write a character to a file.

To retrieve a character from a string.

To get a character input from the user.

4 / 10

Which C library function is used to write a formatted output to a string?

strwrite

swritef

sprintf

stringformat

5 / 10

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

To end a loop.

To jump to a specific location in the code.

To define a new function.

To print output.

6 / 10

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

To store wide characters.

To store floating-point values.

To represent time and date.

To store wide integers.

7 / 10

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

To declare a volatile member in the structure.

To indicate that the structure is volatile.

To define a volatile structure.

To indicate that the structure uses volatile variables.

8 / 10

Which C library function is used to perform dynamic memory allocation?

malloc

memalloc

dynalloc

memoryalloc

9 / 10

What is the result of the expression '10 % 3' in C?

3.33

0.33

10 / 10

What is the purpose of the 'volatile' keyword when used in a function definition in C?

To indicate that the function returns a volatile value.

To declare a volatile function.

To indicate that the function uses volatile variables.

To define a pointer to a volatile function.

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