ngx_http_variable_sent_keep_alive   84 http/ngx_http_variables.c static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r,
ngx_http_variable_sent_keep_alive  235 http/ngx_http_variables.c       ngx_http_variable_sent_keep_alive, 0, 0, 0 },