[SystemC]SystemC Hello World

                                   SystemC Hello World

#include "systemc.h"
 
int sc_main (int argc, char* argv[]) {
   
  cout <<"Hello World "<< endl;
  return 0;// Terminate simulation
   
}

SIMULATOR OUTPUT :

Hello World

一、程序註解

（1）#include “systemc.h”:

       Includes SystemC library header file.

（2）int sc_main (int argc, char* argv[ ]):

• int is the return value.
• sc_main() is entry point to the users code form library, It is called by the function main() which is part of the SystemC library.

（3）The arguments argc and argv[] are the standard command-line arguments. They are passed to sc_main() from main() in the library.

（4）{ } :

      The two curly brackets are used to indicate the beginning and the end of the function sc_main.

（5）cout:

       cout represents the standard output stream in C++.

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（6）return 0;

       The return statement causes the main function to finish.

二、Basic Input and Output 

     Cin, cout, cerr and clog are are the instance of ostream class,

1. cin   – gets the input from standard input device.
2. cout – To display message on standard output device.
3. cerr  – To display error message on standard output device.
4. clog – To display log message on standard output device.