ngx_http_log_connection   80 http/modules/ngx_http_log_module.c static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
ngx_http_log_connection  194 http/modules/ngx_http_log_module.c     { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection },