次のようにgccを打ったら、ap_hook_pre_configのコード見れた。
$ gcc -I srclib/apr/include/ -I ./include -I ./srclib/apr-util/include/ -E ./server/config.c | cat -s | less
以下、実装コード。(整形しています)
void ap_hook_pre_config( ap_HOOK_pre_config_t *pf, const char * const *aszPre, const char * const *aszSucc, int nOrder ) { ap_LINK_pre_config_t *pHook; if(!_hooks.link_pre_config) { _hooks.link_pre_config= apr_array_make(apr_hook_global_pool,1,sizeof(ap_LINK_pre_config_t)); apr_hook_sort_register("pre_config",&_hooks.link_pre_config); } pHook=apr_array_push(_hooks.link_pre_config); pHook->pFunc=pf; pHook->aszPredecessors=aszPre; pHook->aszSuccessors=aszSucc; pHook->nOrder=nOrder; pHook->szName=apr_hook_debug_current; if(apr_hook_debug_enabled) apr_hook_debug_show("pre_config",aszPre,aszSucc); }