>10) Thus, int can be replaced by a typedef name defined as int, or the type of argv can be written as
char * * argv, and so on.
And Standard also says that:
>or in some other implementation-defined manner.
and:
>In a freestanding environment (in which C program execution may take place without any
benefit of an operating system), the name and type of the function called at program
startup are implementation-defined.
So main can be pretty much anything according to the Standard, depending on the system.
