NGX_SPDY_SETTINGS_FID_SIZE 1930 src/http/ngx_http_spdy.c         pos += NGX_SPDY_SETTINGS_FID_SIZE;
NGX_SPDY_SETTINGS_FID_SIZE   55 src/http/ngx_http_spdy.h     (NGX_SPDY_SETTINGS_FID_SIZE + NGX_SPDY_SETTINGS_VAL_SIZE)