- use fgetln() instead of fgets()
- store info in internal buffer
- fix \\ support
- count line numbers internally, so \\ lines don't mess up count
* ypdb_store():
- ensure that the length of key or val doesn't exceed YPMAXRECORD
* makedbm, mknetid, revnetgroup, stdethers, stdhosts:
- improve error handling
- take advantage of rewritten read_line(), and cleanup line parsing
- don't print trailing ` ' for key/val pairs with an empty val
* Makefile.yp:
- fix up building of ypservers (from Chuck Cranor)
* ypinit.sh:
- remove leading spaces in variable assignment (from Chuck Cranor)
