#define LF 10
#define CR 13

void getword(word,line,stop)
char *word,*line,stop; 
{
    int x = 0,y;

    for(x=0;((line[x]) && (line[x] != stop));x++)
        word[x] = line[x];

    word[x] = '\0';
    if(line[x]) ++x;
    y=0;

    while(line[y++] = line[x++]);
}

char *makeword(line,stop)
char *line,stop;
{
    int x = 0,y;
    char *word = (char *) malloc(sizeof(char) * (strlen(line) + 1));

    for(x=0;((line[x]) && (line[x] != stop));x++)
        word[x] = line[x];

    word[x] = '\0';
    if(line[x]) ++x;
    y=0;

    while(line[y++] = line[x++]);
    return word;
}

char *fmakeword(f,stop,cl)
FILE *f;
char stop;
int *cl; 
{
    int wsize;
    char *word;
    int ll;

    wsize = 102400;
    ll=0;
    word = (char *) malloc(sizeof(char) * (wsize + 1));

    while(1) {
        word[ll] = (char)fgetc(f);
        if(ll==wsize) {
            word[ll+1] = '\0';
            wsize+=102400;
            word = (char *)realloc(word,sizeof(char)*(wsize+1));
        }
        --(*cl);
        if((word[ll] == stop) || (feof(f)) || (!(*cl))) {
            if(word[ll] != stop) ll++;
            word[ll] = '\0';
            return word;
        }
        ++ll;
    }
}

char x2c(what) 
char *what;
{
    register char digit;

    digit = (what[0] >= 'A' ? ((what[0] & 0xdf) - 'A')+10 : (what[0] - '0'));
    digit *= 16;
    digit += (what[1] >= 'A' ? ((what[1] & 0xdf) - 'A')+10 : (what[1] - '0'));
    return(digit);
}

void unescape_url(url)
char *url;
{
    register int x,y;

    for(x=0,y=0;url[y];++x,++y) {
        if((url[x] = url[y]) == '%') {
            url[x] = x2c(&url[y+1]);
            y+=2;
        }
    }
    url[x] = '\0';
}

void plustospace(str)
char *str; 
{
    register int x;

    for(x=0;str[x];x++) if(str[x] == '+') str[x] = ' ';
}

int rind(s,c)
char *s,c; 
{
    register int x;
    for(x=strlen(s) - 1;x != -1; x--)
        if(s[x] == c) return x;
    return -1;
}

int getline(s,n,f)
char *s; 
int n; 
FILE *f; 
{
    register int i=0;

    while(1) {
        s[i] = (char)fgetc(f);

        if(s[i] == CR)
            s[i] = fgetc(f);

        if((s[i] == 0x4) || (s[i] == LF) || (i == (n-1))) {
            s[i] = '\0';
            return (feof(f) ? 1 : 0);
        }
        ++i;
    }
}

void send_fd(f,fd)
FILE *f,*fd;
{
    int num_chars=0;
    char c;

    while (1) {
        c = fgetc(f);
        if(feof(f))
            return;
        fputc(c,fd);
    }
}

int ind(s,c)
char *s,c; 
{
    register int x;

    for(x=0;s[x];x++)
        if(s[x] == c) return x;

    return -1;
}

void escape_shell_cmd(cmd)
char *cmd; 
{
    register int x,y,l;

    l=strlen(cmd);
    for(x=0;cmd[x];x++) {
        if(ind("&;`'\"|*?~<>^()[]{}$\\",cmd[x]) != -1){
            for(y=l+1;y>x;y--)
                cmd[y] = cmd[y-1];
            l++; /* length has been increased */
            cmd[x] = '\\';
            x++; /* skip the character */
        }
    }
}