wrong termination statement, could cause the environment to be trashed

break getcwd into two layers.

ignore ${PWD} unless it begins with a leading slash

check $PWD first, if it's right, it's fast

4.4BSD snapshot (revision 8.1); add 1993 to copyright

realloc may have changed the pointer value; from Sean Fagan

off-by-one in path termination

Add include files to get prototype declarations, and fix bugs found.

rename getwd to getcwd for POSIX.1 compatibility
add System V, X/Open style path malloc'ing if user argument is NULL.

new copyright notice

don't lstat if not crossing a mount point

keep going if lstat fails on random directory entry;
don't just skip a level (or more) if a directory isn't found in its parent;
always return pathname in error string

return error message to the user

from scratch; leave '/' on end of all pathnames

don't reference free'd memory; bug report 4.3BSD/lib/129

added LIBC_SCCS condition for sccs ids

Add copyright

modified to not call chdir(). Also, uses fewer stat()'s.

report real path even if a symlink to a root dir comes first

declared char *strcpy();

use MAXPATHLEN from <sys/param.h>

new version from nicklin -- bugs to him

make error messages returned legible

don't abort, just return error in buff and NULL value

missing check on chdir