Log Message:
Changes 1.2.10:
	- handle getnstr() not defined (needed for SGI IRIX 6.5.22)

Changes 1.2.9:
	- fix searching larger than 3 characters long strings

Changes 1.2.8:
	- replace the unsafe getstr() with getnstr()

Changes 1.2.7:
	- check the presence of <sys/mount.h> before including it
	- fix build on Digital UNIX 4.0f (remove -Wall)
	- use the full width of the terminal (the trick is to stop relying on
	printing "\n", but using move() instead)
	- fix displaying the offsets at beginning of each line on big endian
	boxes (thanks to Martin Schaffner)

Changes 1.2.6:
	- fix core dump when searching backward (thanks to Jean Delvare)
          (the culprit is memrmem, but also fixing provided memrchr)

Changes 1.2.5:
	- fix build on Solaris
	  (which doesn't have BLKGETSIZE and all compilers don't have -W)

Changes 1.2.4:
	- use BLKGETSIZE to try to get the size of a device
	- do not die horribly when accessing after the end
	- fix provided memrchr() (thanks to Yue Luo)
	- fix displaying after searching >32bit files (thanks to Paul Mattal)

Changes 1.2.3:
	- add some KEY_HOME KEY_END (^[[7~ and ^[[8~)
	- fix for HAVE_MEMMEM
	- fix my memrchr not behaving the same as libc's
	- fix the use of memrchr to behave as libc's
	- use "(void)" in prototype of functions having no parameters
	- call "raw()" when help() is over