ngx_http_core_init_main_conf   31 src/http/ngx_http_core_module.c static char *ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf);
ngx_http_core_init_main_conf  753 src/http/ngx_http_core_module.c     ngx_http_core_init_main_conf,          /* init main configuration */