Mainly because the type keywords are different: the type keyword of short integer is short [int]; The type key of long integer is long[int].

Long integer is a representation of data type in computer programming. Generally, long integer is represented by long integer, which is the abbreviation of Long int, and the length is at least 32 bits, while the 64-bit Unix-like system is 64 bits.

Related information:

C language is only short.

Generally, short is called short integer, long is called long integer, long is called super-long integer and int is called integer. Those integer types that begin with unsigned are collectively called unsigned integers. For example, we call an unsigned short integer an unsigned short integer. And so on.