NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

mikel
Wed Jan 22 21:32:52 PST 1997
Update of /cvsroot/src/lib/libc/sys
In directory netbsd1:/var/slash-tmp/cvs-serv26551/src/lib/libc/sys

Modified Files:
        brk.2 
Log Message:
replace <sys/types.h> with <unistd.h> and fix type of brk();
  PRs 2938 and 3132.
also added xref to mmap(2).