ngx_http_browser_variable 59 http/modules/ngx_http_browser_module.c static ngx_int_t ngx_http_browser_variable(ngx_http_request_t *r, ngx_http_browser_variable 222 http/modules/ngx_http_browser_module.c { ngx_string("modern_browser"), ngx_http_browser_variable, ngx_http_browser_variable 224 http/modules/ngx_http_browser_module.c { ngx_string("ancient_browser"), ngx_http_browser_variable,