http://www.berklix.com/~jhs/src/bsd/fixes/FreeBSD/src/gen/sbin/mdconfig/mdconfig.c.p0.REL=6.4-RELEASE.diff

mdconfig.c.p0.REL=6.4-RELEASE.diff
mdconfig.c.p0.REL=8.2-RELEASE.diff@ -> mdconfig.c.p0.REL=8.3-RELEASE.diff
mdconfig.c.p0.REL=8.3-RELEASE.diff
mdconfig.c.p0.REL=9.0-RELEASE.diff
mdconfig.c.p0.REL=9.1-RELEASE.diff@ -> mdconfig.c.p0.REL=9.0-RELEASE.diff

*** 6.4-RELEASE/src/sbin/mdconfig/mdconfig.c	Fri Aug 30 20:37:43 2013
--- new-generic/src/sbin/mdconfig/mdconfig.c.new	Fri Aug 30 20:40:01 2013
***************
*** 61,66 ****
--- 61,73 ----
  	int ch, fd, i;
  	char *p;
  	int cmdline = 0;
+ /* Assume cmdline is to indicate 1 of the 3 states shown in usage() ?, eg:
+  * 1 "usage: mdconfig -a -t type [-n] [-o [no]option] ... [-f file]\n"
+  *   "                [-s size] [-S sectorsize] [-u unit]\n"
+  *   "                [-x sectors/track] [-y heads/cyl]\n"
+  * 2 "       mdconfig -d -u unit [-o [no]force]\n"
+  * 3 "       mdconfig -l [-v] [-n] [-u unit]\n");
+  */
  
  	bzero(&mdio, sizeof(mdio));
  	mdio.md_file = malloc(PATH_MAX);