int main() { decl int x, fp, counter, word, a, pid; enddecl begin x=initialize(); x=exposcall("Create", "merge.dat", 1); fp=exposcall("Open", "merge.dat"); counter=0; while(counter<512) do word=512-counter; x=exposcall("Write", fp, word); counter=counter+1; endwhile; write("Created"); pid=exposcall("Fork"); if(pid!=0) then x=exposcall("Wait", pid); else x=exposcall("Exec", "m_store.xsm"); endif; pid=exposcall("Fork"); if(pid!=0) then x=exposcall("Wait", pid); else x=exposcall("Exec", "m_merge.xsm"); endif; a=exposcall("Seek", fp, 0); a=exposcall("Read", fp, word); while(a!=-2) do write(word); a=exposcall("Read", fp, word); endwhile; x=exposcall("Close", fp); return 1; end }