u_int{8,16,32}_t -> uint{8,16,32}_t, also u_int -> unsigned and
u_char -> unsigned char.

branches: 1.7.14;
Stylistic changes in comments/strings:
"FAT" and "fat" are different things, use the appropriate case.
"GEMDOS" is all caps.

branches: 1.6.80; 1.6.90;
Use the endian conversion functions from sys/endian.h.

PR/35151: Christian Groessler: file size reported incorrectly for files > 2GB
on a FAT32 file system on a 64bit host

branches: 1.4.20; 1.4.22;
- protect userland exported files against multiple inclusion.
- make sure that kernel only files don't compile in userland using #error
- XXX: some kernel only files still get installed.
- XXX: some files used in userland, don't get installed.

branches: 1.3.12;
cleanup casts in get/set u short/long so that we don't have const castaways.

add bpbReserved fields

branches: 1.1.2; 1.1.4;
move msdosfs code from sys/msdosfs to sys/fs/msdosfs