ngx_http_proxy_cache_key  188 src/http/modules/ngx_http_proxy_module.c static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
ngx_http_proxy_cache_key  454 src/http/modules/ngx_http_proxy_module.c       ngx_http_proxy_cache_key,