Hello World
#include "systemc.h"
int sc_main (int argc, char* argv[]) {
cout <<"Hello World "<< endl;
return 0;// Terminate simulation
}
Simulator Output :
Hello World
Execute the above code on 
#include “systemc.h”:
Includes SystemC library header file.
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.
The arguments argc and argv[] are the standard command-line arguments. They are passed to sc_main() from main() in the library.
{ } :
The two curly brackets are used to indicate the beginning and the end of the function sc_main.
cout:
cout represents the standard output stream in C++.
return 0;
The return statement causes the main function to finish.
Basic Input and Output
Cin, cout, cerr and clog are are the instance of ostream class,
Cin – gets the input from standard input device.
Cout – To display message on standard output device.
Cerr – To display error message on standard output device.
Clog – To display log message on standard output device.
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