11/3/71	SYS_CHDIR (II)
NAME	chdir -- change working directory
SYNOPSIS	sys chdir; dirname / chdir = 12.
DESCRIPTION	dirname is address of the pathname of a directory,terminated by a 0 byte. chdir causes this directory to
	become the current working directory.
FILES
SEE_ALSO
DIAGNOSTICS	The error bit (c--bit) is set if the given name is not thatof a directory.
BUGS
OWNER	ken, dmr