path: root/mbbsd/more.c

/* $Id: more.c,v 1.15 2002/07/05 17:10:27 in2 Exp $ */
#include "bbs.h"
#define MORE_BUFSIZE    4096
#define MORE_WINSIZE    4096
#define STR_ANSICODE    "[0123456789;,"

static int      more_base, more_size, more_head;
static unsigned char more_pool[MORE_BUFSIZE];


#define MAXPATHLEN 256
static char    *more_help[] = {
    "\0閱\讀文章功\能鍵使用說明",
    "\01游標移動功\能鍵",
    "(↑)                  上捲一行",
    "(↓)(Enter)           下捲一行",
    "(^B)(PgUp)(BackSpace) 上捲一頁",
    "(→)(PgDn)(Space)     下捲一頁",
    "(0)(g)(Home)          檔案開頭",
    "($)(G) (End)          檔案結尾",
    "\01其他功\能鍵",
    "(/)                   搜尋字串",
    "(n/N)                 重複正/反向搜尋",
    "(TAB)                 URL連結",
    "(Ctrl-T)              存到暫存檔",
    "(:/f/b)               跳至某頁/下/上篇",
    "(F/B)                 跳至同一搜尋主題下/上篇",
    "(a/A)                 跳至同一作者下/上篇",
    "([/])                 主題式閱\讀 上/下",
    "(t)                   主題式循序閱\讀",
    "(Ctrl-C)              小計算機",
    "(q)(←)               結束",
    "(h)(H)(?)             輔助說明畫面",
    NULL
};

int             beep = 0;

static void
more_goto(int fd, off_t off)
{
    int             base = more_base;

    if (off < base || off >= base + more_size) {
    more_base = base = off & (-MORE_WINSIZE);
    lseek(fd, base, SEEK_SET);
    more_size = read(fd, more_pool, MORE_BUFSIZE);
    }
    more_head = off - base;
}

static int
more_readln(int fd, unsigned char *buf)
{
    int             ch;

    unsigned char  *data, *tail, *cc;
    int             len, bytes, in_ansi;
    int             size, head, ansilen;

    len = bytes = in_ansi = ansilen = 0;
    tail = buf + ANSILINELEN - 1;
    size = more_size;
    head = more_head;
    data = &more_pool[head];

    do {
    if (head >= size) {
        more_base += size;
        data = more_pool;
        more_size = size = read(fd, data, MORE_BUFSIZE);
        if (size == 0)
        break;
        head = 0;
    }
    ch = *data++;
    head++;
    bytes++;
    if (ch == '\n') {
        break;
    }
    if (ch == '\t') {
        do {
        *buf++ = ' ';
        }
        while ((++len & 7) && len < 80);
    } else if (ch == '\033') {
        if (atoi((char *)(data + 1)) > 47) {
        if ((cc = (unsigned char *)strchr((char *)(data + 1), 'm')) != NULL) {
            ch = cc - data + 1;

            data += ch;
            head += ch;
            bytes += ch;
        }
        } else {
        if (showansi)
            *buf++ = ch;
        in_ansi = 1;
        }
    } else if (in_ansi) {
        if (showansi)
        *buf++ = ch;
        if (!strchr(STR_ANSICODE, ch))
        in_ansi = 0;
    } else if (isprint2(ch)) {
        len++;
        *buf++ = ch;
    }
    }
    while (len < 80 && buf < tail);
    *buf = '\0';
    more_head = head;
    return bytes;
}

/*
 * not used static int readln(FILE *fp, char *buf) { register int ch, i, len,
 * bytes, in_ansi;
 * 
 * len = bytes = in_ansi = i = 0; while(len < 80 && i < ANSILINELEN && (ch =
 * getc(fp)) != EOF) { bytes++; if(ch == '\n') break; else if(ch == '\t') do
 * { buf[i++] = ' '; } while((++len & 7) && len < 80); else if(ch == '\a')
 * beep = 1; else if(ch == '\033') { if(showansi) buf[i++] = ch; in_ansi = 1;
 * } else if(in_ansi) { if(showansi) buf[i++] = ch;
 * if(!strchr("[0123456789;,", ch)) in_ansi = 0; } else if(isprint2(ch)) {
 * len++; buf[i++] = ch; } } buf[i] = '\0'; return bytes; }
 */

static int      more_web(char *fpath, int promptend);
int 
more(char *fpath, int promptend)
{
    static char    *head[4] = {"作者", "標題", "時間", "轉信"};
    char           *ptr, *word = NULL, buf[ANSILINELEN + 1], *ch1;
    struct stat     st;

    /* rocker */
    //FILE * fp;
    int             fd, fsize;

    unsigned int    pagebreak[MAX_PAGES], pageno, lino = 0;
    int             line, ch, viewed, pos, numbytes;
    int             header = 0;
    int             local = 0;
    char            search_char0 = 0;
    static char     search_str[81] = "";
    typedef char   *(*FPTR) ();
    static FPTR     fptr;
    int             searching = 0;
    int             scrollup = 0;
    char           *printcolor[3] = {"44", "33;45", "0;34;46"}, color = 0;
    char           *http[80] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
    /* Ptt */
    char            pagemode = 0;
    char            pagecount = 0;

    memset(pagebreak, 0, sizeof(pagebreak));
    if (*search_str)
    search_char0 = *search_str;
    *search_str = 0;

#ifdef MDCACHE
    fd = mdcacheopen(fpath);
#else
    fd = open(fpath, O_RDONLY, 0600);
#endif
    if (fd < 0)
    return -1;

    if (fstat(fd, &st) || ((fsize = st.st_size) <= 0) || S_ISDIR(st.st_mode)) {
    close(fd);
    //Ptt
        return -1;
    }
    pagebreak[0] = pageno = viewed = line = pos = 0;
    clear();

    /* rocker */

    more_base = more_head = more_size = 0;

    while ((numbytes = more_readln(fd, (unsigned char *)buf)) || (line == t_lines)) {
    if (scrollup) {
        rscroll();
        move(0, 0);
    }
    if (numbytes) {     /* 一般資料處理 */
        if (!viewed) {  /* begin of file */
        if (showansi) { /* header processing */
            if (!strncmp(buf, str_author1, LEN_AUTHOR1)) {
            line = 3;
            word = buf + LEN_AUTHOR1;
            local = 1;
            } else if (!strncmp(buf, str_author2, LEN_AUTHOR2)) {
            line = 4;
            word = buf + LEN_AUTHOR2;
            }
            while (pos < line) {
            if (!pos && ((ptr = strstr(word, str_post1)) ||
                     (ptr = strstr(word, str_post2)))) {
                ptr[-1] = '\0';
                prints("\033[47;34m %s \033[44;37m%-53.53s"
                "\033[47;34m %.4s \033[44;37m%-13s\033[m\n",
                   head[0], word, ptr, ptr + 5);
            } else if (pos < line)
                prints("\033[47;34m %s \033[44;37m%-72.72s"
                   "\033[m\n", head[pos], word);

            viewed += numbytes;
            numbytes = more_readln(fd, (unsigned char *)buf);

            /* 第一行太長了 */
            if (!pos && viewed > 79) {
                /* 第二行不是 [標....] */
                if (memcmp(buf, head[1], 2)) {
                /* 讀下一行進來處理 */
                viewed += numbytes;
                numbytes = more_readln(fd, (unsigned char *)buf);
                }
            }
            pos++;
            }
            if (pos) {
            header = 1;

            prints("\033[36m%s\033[m\n", msg_seperator);
            ++line;
            ++pos;
            }
        }
        lino = pos;
        word = NULL;
        }
        /* ※處理引用者 & 引言 */
        if ((buf[1] == ' ') && (buf[0] == ':' || buf[0] == '>'))
        word = "\033[36m";
        else if (!strncmp(buf, "※", 2) || !strncmp(buf, "==>", 3))
        word = "\033[32m";

        ch1 = buf;
        while (1) {
        int             i;
        char            e, *ch2;

        if ((ch2 = strstr(ch1, "http://")));
        else if ((ch2 = strstr(ch1, "gopher://")));
        else if ((ch2 = strstr(ch1, "mailto:")));
        else
            break;
        for (e = 0; ch2[(int)e] != ' ' && ch2[(int)e] != '\n' &&
             ch2[(int)e] != '\0' && ch2[(int)e] != '"' &&
             ch2[(int)e] != ';' && ch2[(int)e] != ']'; e++);
        for (i = 0; http[i] && i < 80; i++)
            if (!strncmp(http[i], ch2, e) && http[(int)e] == 0)
            break;
        if (!http[i]) {
            http[i] = (char *)malloc(e + 1);
            strncpy(http[i], ch2, e);
            http[i][(int)e] = 0;
            pagecount++;
        }
        ch1 = &ch2[7];
        }
        if (word)
        outs(word);
        {
        char            msg[500], *pos;

        if (*search_str && (pos = fptr(buf, search_str))) {
            char            SearchStr[81];
            char            buf1[100], *pos1;

            strncpy(SearchStr, pos, strlen(search_str));
            SearchStr[strlen(search_str)] = 0;
            searching = 0;
            sprintf(msg, "%.*s\033[7m%s\033[m", pos - buf, buf,
                SearchStr);
            while ((pos = fptr(pos1 = pos + strlen(search_str),
                       search_str))) {
            sprintf(buf1, "%.*s\033[7m%s\033[m", pos - pos1,
                pos1, SearchStr);
            strcat(msg, buf1);
            }
            strcat(msg, pos1);
            outs(Ptt_prints(msg, NO_RELOAD));
        } else
            outs(Ptt_prints(buf, NO_RELOAD));
        }
        if (word) {
        outs("\033[m");
        word = NULL;
        }
        outch('\n');

        if (beep) {
        bell();
        beep = 0;
        }
        if (line < b_lines) /* 一般資料讀取 */
        line++;

        if (line == b_lines && searching == -1) {
        if (pageno > 0)
            more_goto(fd, viewed = pagebreak[--pageno]);
        else
            searching = 0;
        lino = pos = line = 0;
        clear();
        continue;
        }
        if (scrollup) {
        move(line = b_lines, 0);
        clrtoeol();
        for (pos = 1; pos < b_lines; pos++)
            viewed += more_readln(fd, (unsigned char *)buf);
        } else if (pos == b_lines)  /* 捲動螢幕 */
        scroll();
        else
        pos++;

        if (!scrollup && ++lino >= b_lines && pageno < MAX_PAGES - 1) {
        pagebreak[++pageno] = viewed;
        lino = 1;
        }
        if (scrollup) {
        lino = scrollup;
        scrollup = 0;
        }
        viewed += numbytes; /* 累計讀過資料 */
    } else
        line = b_lines; /* end of END */

    if (promptend &&
        ((!searching && line == b_lines) || viewed == fsize)) {
        /* Kaede 剛好 100% 時不停 */
        move(b_lines, 0);
        if (viewed == fsize) {
        if (searching == 1)
            searching = 0;
        color = 0;
        } else if (pageno == 1 && lino == 1) {
        if (searching == -1)
            searching = 0;
        color = 1;
        } else
        color = 2;

        prints("\033[m\033[%sm  瀏覽 P.%d(%d%%)  %s  %-30.30s%s",
           printcolor[(int)color],
           pageno,
           (int)((viewed * 100) / fsize),
           pagemode ? "\033[30;47m" : "\033[31;47m",
           pagemode ? http[pagemode - 1] : "(h)\033[30m求助  \033[31m→↓[PgUp][",
           pagemode ? "\033[31m[TAB]\033[30m切換 \033[31m[Enter]\033[30m選定 \033[31m←\033[30m放棄\033[m" : "PgDn][Home][End]\033[30m游標移動  \033[31m←[q]\033[30m結束   \033[m");


        while (line == b_lines || (line > 0 && viewed == fsize)) {
        switch ((ch = egetch())) {
        case ':':
            {
            char            buf[10];
            int             i = 0;

            getdata(b_lines - 1, 0, "Goto Page: ", buf, 5, DOECHO);
            sscanf(buf, "%d", &i);
            if (0 < i && i < MAX_PAGES && (i == 1 || pagebreak[i - 1]))
                pageno = i - 1;
            else if (pageno)
                pageno--;
            lino = line = 0;
            break;
            }
        case '/':
            {
            char            ans[4] = "n";

            *search_str = search_char0;
            getdata_buf(b_lines - 1, 0, "[搜尋]關鍵字:", search_str,
                    40, DOECHO);
            if (*search_str) {
                searching = 1;
                if (getdata(b_lines - 1, 0, "區分大小寫(Y/N/Q)? [N] ",
                   ans, sizeof(ans), LCECHO) && *ans == 'y')
                fptr = strstr;
                else
                fptr = strcasestr;
            }
            if (*ans == 'q')
                searching = 0;
            if (pageno)
                pageno--;
            lino = line = 0;
            break;
            }
        case 'n':
            if (*search_str) {
            searching = 1;
            if (pageno)
                pageno--;
            lino = line = 0;
            }
            break;
        case 'N':
            if (*search_str) {
            searching = -1;
            if (pageno)
                pageno--;
            lino = line = 0;
            }
            break;
        case 'r':
        case 'R':
        case 'Y':
            close(fd);
            return 7;
        case 'y':
            close(fd);
            return 8;
        case 'A':
            close(fd);
            return 9;
        case 'a':
            close(fd);
            return 10;
        case 'F':
            close(fd);
            return 11;
        case 'B':
            close(fd);
            return 12;
        case KEY_LEFT:
            if (pagemode) {
            pagemode = 0;
            *search_str = 0;
            if (pageno)
                pageno--;
            lino = line = 0;
            break;
            }
            close(fd);
            return 6;
        case 'q':
            close(fd);
            return 0;
        case 'b':
            close(fd);
            return 1;
        case 'f':
            close(fd);
            return 3;
        case ']':   /* Kaede 為了主題閱讀方便 */
            close(fd);
            return 4;
        case '[':   /* Kaede 為了主題閱讀方便 */
            close(fd);
            return 2;
        case '=':   /* Kaede 為了主題閱讀方便 */
            close(fd);
            return 5;
        case Ctrl('F'):
        case KEY_PGDN:
            line = 1;
            break;
        case 't':
            if (viewed == fsize) {
            close(fd);
            return 4;
            }
            line = 1;
            break;
        case ' ':
            if (viewed == fsize) {
            close(fd);
            return 3;
            }
            line = 1;
            break;
        case KEY_RIGHT:
            if (viewed == fsize) {
            close(fd);
            return 0;
            }
            line = 1;
            break;
        case '\r':
        case '\n':
            if (pagemode) {
            more_web(http[pagemode - 1], YEA);
            pagemode = 0;
            *search_str = 0;
            if (pageno)
                pageno--;
            lino = line = 0;
            break;
            }
        case KEY_DOWN:
            if (viewed == fsize ||
            (promptend == 2 && (ch == '\r' || ch == '\n'))) {
            close(fd);
            return 3;
            }
            line = t_lines - 2;
            break;
        case '$':
        case 'G':
        case KEY_END:
            line = t_lines;
            break;
        case '0':
        case 'g':
        case KEY_HOME:
            pageno = line = 0;
            break;
        case 'h':
        case 'H':
        case '?':
            /* Kaede Buggy ... */
            show_help(more_help);
            if (pageno)
            pageno--;
            lino = line = 0;
            break;
        case 'E':
            if (HAS_PERM(PERM_SYSOP) && strcmp(fpath, "etc/ve.hlp")) {
            close(fd);
            vedit(fpath, NA, NULL);
            return 0;
            }
            break;
        case Ctrl('C'):
            cal();
            if (pageno)
            pageno--;
            lino = line = 0;
            break;

        case Ctrl('T'):
            getdata(b_lines - 2, 0, "把這篇文章收入到暫存檔？[y/N] ",
                buf, 4, LCECHO);
            if (buf[0] == 'y') {
            char            tmpbuf[128];

            setuserfile(tmpbuf, ask_tmpbuf(b_lines - 1));
            sprintf(buf, "cp -f %s %s", fpath, tmpbuf);
            system(buf);
            }
            if (pageno)
            pageno--;
            lino = line = 0;
            break;
#if 0
        case Ctrl('I'):
            if (!pagecount)
            break;
            pagemode = (pagemode % pagecount) + 1;
            strncpy(search_str, http[pagemode - 1], 80);
            search_str[80] = 0;
            fptr = strstr;
            if (pageno)
            pageno--;
            lino = line = 0;
            break;
#endif
        case KEY_UP:
            line = -1;
            break;
        case Ctrl('B'):
        case KEY_PGUP:
            if (pageno > 1) {
            if (lino < 2)
                pageno -= 2;
            else
                pageno--;
            lino = line = 0;
            } else if (pageno && lino > 1)
            pageno = line = 0;
            break;
        case Ctrl('H'):
            if (pageno > 1) {
            if (lino < 2)
                pageno -= 2;
            else
                pageno--;
            lino = line = 0;
            } else if (pageno && lino > 1)
            pageno = line = 0;
            else {
            close(fd);
            return 1;
            }
        }
        }

        if (line > 0) {
        move(b_lines, 0);
        clrtoeol();
        refresh();
        } else if (line < 0) {  /* Line scroll up */
        if (pageno <= 1) {
            if (lino == 1 || !pageno) {
            close(fd);
            return 1;
            }
            if (header && lino <= 5) {
            more_goto(fd, viewed = pagebreak[scrollup = lino =
                             pageno = 0] = 0);
            clear();
            }
        }
        if (pageno && lino > 1 + local) {
            line = (lino - 2) - local;
            if (pageno > 1 && viewed == fsize)
            line += local;
            scrollup = lino - 1;
            more_goto(fd, viewed = pagebreak[pageno - 1]);
            while (line--)
            viewed += more_readln(fd, (unsigned char *)buf);
        } else if (pageno > 1) {
            scrollup = b_lines - 1;
            line = (b_lines - 2) - local;
            more_goto(fd, viewed = pagebreak[--pageno - 1]);
            while (line--)
            viewed += more_readln(fd, (unsigned char *)buf);
        }
        line = pos = 0;
        } else {
        pos = 0;
        more_goto(fd, viewed = pagebreak[pageno]);
        move(0, 0);
        clear();
        }
    }
    }

    close(fd);
    if (promptend) {
    pressanykey();
    clear();
    } else
    outs(reset_color);
    return 0;
}

static int 
more_web(char *fpath, int promptend)
{
    char           *ch, *ch1 = NULL;
    char           *hostname = fpath, userfile[MAXPATHLEN], file[MAXPATHLEN] = "/";
    char            genbuf[200];
    time_t          dtime;
#if !defined(USE_LYNX) && defined(USE_PROXY)
    int             a;
    FILE           *fp;
    struct hostent *h;
    struct sockaddr_in sin;
#endif

    if ((ch = strstr(fpath, "mailto:"))) {
    if (!HAS_PERM(PERM_LOGINOK)) {
        move(b_lines - 1, 0);
        outs("\033[41m 您的權限不足無法使用internet mail... \033[m");
        refresh();
        return 0;
    }
    if (!invalidaddr(&ch[7]) &&
        getdata(b_lines - 1, 0, "[寄信]主題：", genbuf, 40, DOECHO))
        do_send(&ch[7], genbuf);
    else {
        move(b_lines - 1, 0);
        outs("\033[41m 收信人email 或 標題 有誤... \033[m");
        refresh();
    }
    return 0;
    }
    if ((ch = strstr(fpath, "gopher://"))) {
    item_t          item;

    strcpy(item.X.G.server, &ch[9]);
    strcpy(item.X.G.path, "1/");
    item.X.G.port = 70;
    gem(fpath, &item, 0);
    return 0;
    }
    if ((ch = strstr(fpath, "http://")))
    hostname = &ch[7];
    if ((ch = strchr(hostname, '/'))) {
    *ch = 0;
    if (&ch1[1])
        strcat(file, &ch[1]);
    }
    if (file[strlen(file) - 1] == '/')
    strcat(file, "index.html");
    move(b_lines - 1, 0);
    clrtoeol();
#ifdef USE_PROXY
    sprintf(genbuf, "\033[33;44m 正在連往%s.(proxy:%s).....請稍候....\033[m",
        hostname, PROXYSERVER);
#else
    sprintf(genbuf, "\033[33;44m 正在連往%s......請稍候....\033[m", hostname);
#endif
    outs(genbuf);
    refresh();

#ifdef LOCAL_PROXY
    /* 先找 local disk 的 proxy */
    dtime = now;
    sprintf(userfile, "hproxy/%s%s", hostname, file);
    if (dashf(userfile) && (dtime - dasht(userfile)) < HPROXYDAY * 24 * 60
    && more(userfile, promptend)) {
    return 1;
    }
    ch = userfile - 1;
    while ((ch1 = strchr(ch + 1, '/'))) {
    *ch1 = 0;
    if (!dashd(ch))
        mkdir(ch + 1, 0755);
    chdir(ch + 1);
    *ch1 = '/';
    ch = ch1;
    }
    chdir(BBSHOME);
#endif

#ifndef USE_LYNX
#ifdef USE_PROXY
    if (!(h = gethostbyname(PROXYSERVER))) {
    outs("\033[33;44m 找不到這個proxy server!..\033[m");
    refresh();
    return;
    }
    () memset((char *)&sin, 0, sizeof(sin));
    sin.sin_family = AF_INET;

    if (h == NULL)
    sin.sin_addr.s_addr = inet_addr(PROXYSERVER);
    else
    () memcpy(&sin.sin_addr.s_addr, h->h_addr, h->h_length);

    sin.sin_port = htons((ushort) PROXYPORT);   /* HTTP port */
    a = socket(AF_INET, SOCK_STREAM, 0);
    if ((connect(a, (struct sockaddr *) & sin, sizeof sin)) < 0) {
    outs("\033[1;44m 連接到proxy受到拒絕 ! \033[m");
    refresh();
    return;
    }
    sprintf(genbuf, "GET http://%s/%s HTTP/1.1\n", hostname, file);
#else
    if (!(h = gethostbyname(hostname))) {
    outs("\033[33;44m 找不到這個server!..\033[m");
    refresh();
    return;
    }
    () memset((char *)&sin, 0, sizeof(sin));
    sin.sin_family = AF_INET;

    if (h == NULL)
    sin.sin_addr.s_addr = inet_addr(hostname);
    else
    () memcpy(&sin.sin_addr.s_addr, h->h_addr, h->h_length);

    sin.sin_port = htons((ushort) 80);
    a = socket(AF_INET, SOCK_STREAM, 0);
    if ((connect(a, (struct sockaddr *) & sin, sizeof sin)) < 0) {
    outs("\033[1;44m 連接受到拒絕 ! \033[m");
    refresh();
    return;
    }
    sprintf(genbuf, "GET %s\n", file);
#endif

    for (i = strlen(file); file[i - 1] != '/' && i > 0; i--);
    file[i] = 0;

    i = strlen(genbuf);
    write(a, genbuf, i);

#define BLANK   001
#define ISPRINT 002
#define PRE     004
#define CENTER  010
    if ((fp = fopen(userfile, "w"))) {
    int             flag = 2, c;
    char            path[MAXPATHLEN];
    unsigned char   j, k;

    while ((i = read(a, genbuf, 200))) {
        if (i < 0)
        return;
        genbuf[i] = 0;

        for (j = 0, k = 0; genbuf[j] && j < i; j++) {
        if ((flag & ISPRINT) && genbuf[j] == '<')
            flag |= BLANK;
        else if ((flag & ISPRINT) && genbuf[j] == '>')
            flag &= ~BLANK;
        else {
            if (!(flag & BLANK)) {
            if (j != k && (genbuf[j] != '\n' || flag & PRE))
                genbuf[k++] = genbuf[j];
            } else {
            switch (char_lower(genbuf[j])) {
            case 'a':
                break;
            case 'b':
                if (genbuf[j + 1] == 'r' && genbuf[j + 2] == '>')
                genbuf[k++] = '\n';
                break;
            case 'h':
                if (genbuf[j + 1] == 'r' &&
                (genbuf[j + 2] == '>' ||
                 genbuf[j + 2] == 's')) {
                strncpy(&genbuf[k], "\n--\n", 4);
                k += 4;
                }
                break;
            case 'l':
                if (genbuf[j + 1] == 'i' && genbuf[j + 2] == '>') {
                strncpy(&genbuf[k], "\n◎ ", 4);
                k += 4;
                }
                break;
            case 'p':
                if (genbuf[j + 1] == '>') {
                genbuf[k++] = '\n';
                genbuf[k++] = '\n';
                } else if (genbuf[j + 1] == 'r' &&
                       genbuf[j + 2] == 'e')
                flag ^= PRE;
                break;
            case 't':
                if (genbuf[j + 1] == 'd' && genbuf[j + 2] == '>') {
                strncpy(&genbuf[k], "\n-\n", 3);
                k += 3;
                }
                break;
            }
            }
            if ((genbuf[j] & 0x80) && (flag & ISPRINT))
            flag &= ~ISPRINT;
            else
            flag |= ISPRINT;
        }
        }
        genbuf[k] = 0;
        fputs(genbuf, fp);
    }
    fclose(fp);
    close(a);
    return more(userfile, promptend);
    }
    return 0;
#else               /* use lynx dump */
    sprintf(genbuf, "lynx -dump http://%s%s > %s", hostname, file, userfile);
    system(genbuf);
    return more(userfile, promptend);
#endif
}