NGX_HAVE_SO_SNDLOWAT   48 src/core/ngx_config.h #define NGX_HAVE_SO_SNDLOWAT     1
NGX_HAVE_SO_SNDLOWAT  105 src/os/unix/ngx_linux_config.h #define NGX_HAVE_SO_SNDLOWAT         0
NGX_HAVE_SO_SNDLOWAT   99 src/os/unix/ngx_solaris_config.h #define NGX_HAVE_SO_SNDLOWAT         0