Figure 1

- The c-help program menu

First letter of switch to be viewed/modified (or 'return') Choice (or !)?

C-DOC -A1-B40-C4-E74-F1-G1-H1-J0-K1-L0-0XXXX-P60-R4-T1-V3-W50-X35-Z0



D Display                            G Graphics
I Include                            K Conditional Preprocessing
O Output                             P Page length & form-feed
N Notices                            U User title
$ file-list                          W page Width

C-CALL (MODULES)    C-REF (REFERENCES)    C-LIST (LISTINGS)
C Caller/Called     R References          A Action diagram
F File T-Of-C                             B Begin (or 'E' end) Comment
M Main root         C-REF (HEADERS)       J Jumbo comments split
T Tree diagram      H Headers             L List source
V Verbose tracking                        S Space indents
                                          Z Zero {} indnt