Macros in miscfs/union/libc

• ADJUST miscfs/union/libc/fts.c:969
• CHDIR miscfs/union/libc/fts.c:64
• FCHDIR miscfs/union/libc/fts.c:65
• ISDOT miscfs/union/libc/fts.c:59
• ISSET miscfs/union/libc/fts.c:61
• NAPPEND miscfs/union/libc/fts.c:255
• __opendir2 miscfs/union/libc/fts.c:575
• SET miscfs/union/libc/fts.c:62