NGX_HAVE_SO_SNDLOWAT   47 core/ngx_config.h #define NGX_HAVE_SO_SNDLOWAT     1
NGX_HAVE_SO_SNDLOWAT  101 os/unix/ngx_linux_config.h #define NGX_HAVE_SO_SNDLOWAT         0
NGX_HAVE_SO_SNDLOWAT   91 os/unix/ngx_solaris_config.h #define NGX_HAVE_SO_SNDLOWAT         0