Protecting "errno" in case it is not defined per e-mail from Vincent R dated 5:37...
[freeglut] / progs / demos / smooth_opengl3 /
drwxr-xr-x   ..
-rw-r--r-- 254 Makefile.am
-rwxr-xr-x 14442 smooth_opengl3.c
-rw-r--r-- 4470 smooth_opengl3.dsp
-rwxr-xr-x 4792 smooth_opengl3Static.dsp