search for: ov_getopt

...pt.h, and getopt1.c with "ov_" to prevent collisions with any potential OS versions of the same functions. This would both obviate the need for any configure tests, and would guarantee that there were safe versions of the functions for ogg123, oggenc, and vorbiscomment to use. Also, <ov_getopt.h> would always be found (some OS's don't have <getopt.h>). 2. Summary: getopt.c, getopt.h, and getopt1.c are included in both oggenc and ogg123. It seems that vorbiscomment uses getopt_long(), so it seems that vorbiscomment needs them too. But including them in vorbiscomment is...