ngx_variable_value_t  155 core/ngx_string.c     ngx_variable_value_t  *vv;
ngx_variable_value_t  241 core/ngx_string.c                 vv = va_arg(args, ngx_variable_value_t *);
ngx_variable_value_t   16 http/ngx_http_variables.h typedef ngx_variable_value_t  ngx_http_variable_value_t;