151 show_help(const std::string &msg) {  in show_help()  function
161     show_help("Expected [relpos] for a, b, or i modifier");  in getRelPos()
168     show_help("Expected options");  in getOptions()
176     show_help("An archive name must be specified");  in getArchive()
275       show_help("The s operation takes only an archive as argument");  in parseCommandLine()
281     show_help("You must specify at least one of the operations");  in parseCommandLine()
283     show_help("Only one operation may be specified");  in parseCommandLine()
285     show_help("You may only specify one of a, b, and i modifiers");  in parseCommandLine()
288       show_help("The 'a', 'b' and 'i' modifiers can only be specified with "  in parseCommandLine()
292     show_help("The 'o' modifier is only applicable to the 'x' operation");  in parseCommandLine()
294     show_help("The 'u' modifier is only applicable to the 'r' operation");  in parseCommandLine()