libc/include unistd.h

[drepper@sources.redhat.com]

CVSROOT:	/cvs/glibc
Module name:	libc
Changes by:	drepper@sources.redhat.com	2002-08-02 23:18:30

Modified files:
	include        : unistd.h 

Log message:
	(__pwrite64, __libc_read, __pipe, __chown, __dup2,
	__getpid, __getpgid, __setpgid, __close, __read, __write,
	__getpagesize, __sbrk): Likewise.
	(__chown_internal, __dup2_internal, __getpid_internal,
	__getpgid_internal, __close_internal, __write_internal,
	__getpagesize_internal): Remove.
	(__close, __dup2, __getpagesize, __getpgid, __getpid, __libc_write):
	Remove macros.