ngx_http_upstream_init_main_conf  165 src/http/ngx_http_upstream.c static char *ngx_http_upstream_init_main_conf(ngx_conf_t *cf, void *conf);
ngx_http_upstream_init_main_conf  330 src/http/ngx_http_upstream.c     ngx_http_upstream_init_main_conf,      /* init main configuration */