Programming
c - Why (and when) do I need to use parentheses after sizeof? - Stack Overflow
steloflute
2023. 10. 4. 23:46
c - Why (and when) do I need to use parentheses after sizeof? - Stack Overflow
Why (and when) do I need to use parentheses after sizeof?
The below fails to compile: typedef int arr[10]; int main(void) { return sizeof arr; } sizeof.c:3: error: expected expression before ‘arr’ but if I change it to sizeof(arr); everything is ...
stackoverflow.com
According to 6.5.3, there are two forms for sizeof as the following:
sizeof unary-expression
sizeof ( type-name )