1namespace libapp 2{ 3struct S0; 4 5struct S1; 6 7struct S2; 8 9struct S3; 10 11S0* 12create_s0(); 13 14void 15destroy(S0*); 16 17S1* 18create_s1(); 19 20void 21destroy(S1*); 22 23int 24fun0(S0&); 25 26void 27fun1(S1*); 28 29void 30fun2(S2*); 31 32void 33fun3(S3*); 34 35} // end namespace libapp 36