Hi, At Sat, 18 Aug 2007 20:59:59 +0900, unbewusst wrote in [ruby-talk:265267]: > I'm now able to produce a ruby symbol from C > > I'm also able to read the keys of a hash, i need to know how to > transform a key being a T_SYMBOL into a cstring (the reverse) ??? > > also using : > > > long size = RHASH( ( VALUE )options_hash )->tbl->num_entries; > > i get the following error at compil time : > symbol_test.c: In function m_symbol_test_init: > symbol_test.c:109: error: dereferencing pointer to incomplete type > > i don't understand very much this message. You need to include st.h too. But I guess what you need first is the knowledge of C. -- Nobu Nakada