■

#if SCM_USE_VALUECONS ← gc_mark() は?
SCM_GLOBAL_VARS_BEGIN(symbol);
ScmObj *scm_symbol_hash;
size_t scm_symbol_hash_size;
SCM_GLOBAL_VARS_END(symbol);
#define scm_symbol_hash      SCM_GLOBAL_VAR(symbol, scm_symbol_hash)
#define scm_symbol_hash_size SCM_GLOBAL_VAR(symbol, scm_symbol_hash_size)
SCM_DECLARE_EXPORTED_VARS(symbol);
#endif

叩けば叩くほど埃が出る… (;´Д`)