What is the output of the following code?char str[] = "hello";printf("%d\n", sizeof(str));
Question
What is the output of the following code?char str[] = "hello";printf("%d\n", sizeof(str));
Solution
The output of the code will be 6.
Here's the step by step explanation:
-
The
sizeofoperator in C returns the amount of memory allocated to the variable or data type. -
In this case,
stris a character array initialized with the string "hello". -
In C, strings are null-terminated, which means a '\0' character is automatically added at the end of the string by the compiler.
-
So, the size of
stris the sum of the sizes of the individual characters 'h', 'e', 'l', 'l', 'o', and the null character '\0'. -
Since the size of a char in C is 1 byte, the total size of
stris 6 bytes.
Therefore, the output of the code is 6.
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