What is the size of long double data type

Answer 1

Source: The open web

Type long double is a floating point type that is larger than or equal to type double.
size : 8 bytes ( seems like i was wrong earlier )
The size of variables might be different depending on the compiler and the computer you are using.

Answer 2

In fact, this is platform (and compiler, and language in fact) dependent parameter. You can measure it on your machine and then relay to this value.

Answer 3

i studied about 16 bytes and the compiler is showing 8 bytes and now your answer