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Annotation of 43BSD/contrib/mh/miscellany/less/help.c, revision 1.1

1.1     ! root        1: #include  "less.h"
        !             2: 
        !             3: /*
        !             4:  * Display some help.
        !             5:  * Help is in two pages.
        !             6:  */
        !             7:        static void
        !             8: help0()
        !             9: {
        !            10:        puts("f, SPACE       Forward one screen.\n");
        !            11:        puts("b              Backward one screen.\n");
        !            12:        puts("e, j, CR    *  Forward N lines, default 1.\n");
        !            13:        puts("y, k        *  Backward N lines, default 1.\n");
        !            14:        puts("d           *  Forward N lines, default 10 or last N to d or u command.\n");
        !            15:        puts("u           *  Backward N lines, default 10 or last N to d or u command.\n");
        !            16:        puts("r              Repaint screen.\n");
        !            17:        puts("g           *  Go to line N, default 1.\n");
        !            18:        puts("G           *  Like g, but default is last line in file.\n");
        !            19:        puts("=              Print current file name\n");
        !            20:        puts("/pattern    *  Search forward for N-th occurence of pattern.\n");
        !            21:        puts("?pattern    *  Search backward for N-th occurence of pattern.\n");
        !            22:        puts("n           *  Repeat previous search (for N-th occurence).\n");
        !            23:        puts("q              Exit.\n");
        !            24:        error("More help...");
        !            25: }
        !            26: 
        !            27:        static void
        !            28: help1()
        !            29: {
        !            30:        char message[100];
        !            31:        extern char all_options[];
        !            32: 
        !            33:        puts("R              Repaint screen, discarding buffered input.\n");
        !            34:        puts("p, %        *  Position to N percent into the file.\n");
        !            35:        puts("m<letter>      Mark the current position with <letter>.\n");
        !            36:        puts("'<letter>      Return to a previously marked position.\n");
        !            37:        sprintf(message, 
        !            38:             "-X             Toggle a flag (X may be one of \"%s\").\n", 
        !            39:                                all_options);
        !            40:        puts(message);
        !            41:        puts("E [file]       Examine a new file.\n");
        !            42:        puts("N              Examine the next file (from the command line).\n");
        !            43:        puts("P              Examine the previous file (from the command line).\n");
        !            44:        puts("V              Print version number.\n");
        !            45: #if SHELL_ESCAPE
        !            46:        puts("!command       Passes the command to a shell to be executed.\n");
        !            47: #endif
        !            48: #if EDITOR
        !            49:        sprintf(message,
        !            50:             "v              Edit the current file with $EDITOR (default %s).\n",
        !            51:                                EDIT_PGM);
        !            52:        puts(message);
        !            53: #endif
        !            54:        error("");
        !            55: }
        !            56: 
        !            57:        public void
        !            58: help()
        !            59: {
        !            60:        register int i;
        !            61: 
        !            62:        for (i = 0;  i < 2;  i++)
        !            63:        {
        !            64:                clear();
        !            65:                puts("Commands marked with * may be preceeded by a number, N.\n\n");
        !            66: 
        !            67:                switch (i)
        !            68:                {
        !            69:                case 0:         help0();        break;
        !            70:                case 1:         help1();        break;
        !            71:                }
        !            72:        }
        !            73: }

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