:- module c_write_string. :- interface. :- import_module io. :- pred main(io__state::di, io__state::uo) is det. :- implementation. :- pred c_write_string(string, io__state, io__state). :- mode c_write_string(in, di, uo) is det. :- pragma(c_header_code, "#include "). :- pragma(c_code, c_write_string(Str::in, IO0::di, IO::uo), "fputs(Str, stdout); IO = IO0;"). main --> c_write_string("Hello, world\n"), c_write_string("I am 8 today!\n"), c_write_string(X), { X = "fred\n" }.