Question

(Find error)

char x = 'a', y = 'a';
if (strcmp(x, y) == 0)
exit(0);
Options:
A. There is no error in this code.
B. The strcmp function should be used with strings, not single characters.
C. The exit(0); statement should be removed.
D. The condition should be if (x == y).

Answer 1

The error is that the strcmp function is incorrectly used with single characters. The condition should use the equality operator == to compare the two characters directly.

Step-by-step explanation:

The error in the given code snippet is that the strcmp function should be used with strings, not single characters. The strcmp function is designed to compare two C-style null-terminated strings, not individual characters. In this case, x and y are char variables, which are single characters, and you should compare them using the equality operator == instead of strcmp.

To correct the code, the condition should be revised as follows:

if (x == y) exit(0);

This comparison will check if the character x is equal to the character y, and if so, the program will call exit(0) to terminate.