text: #include <stdio.h>
  #include <string.h>
  #include <stdlib.h>
  #include "util.h"
  
  #define LF 10
  #define CR 13
  
  void getword(char *word, char *line, char 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(char *line, char 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(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';
  	    word = (char *) realloc(word, ll+1);
              return word;
          }
          ++ll;
      }
  }
  
  char x2c(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(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]);
  			if (url[x] == CR) x--;  /*CT 11/7/97 get rid of Carriage Returns */
              y+=2;
          }
      }
      url[x] = '\0';
  }
  
  void plustospace(char *str) {
      register int x;
  
      for(x=0;str[x];x++) if(str[x] == '+') str[x] = ' ';
  }
  
  int rind(char *s, char c) {
      register int x;
      for(x=strlen(s) - 1;x != -1; x--)
          if(s[x] == c) return x;
      return -1;
  }
  
  int getline(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(FILE *f, FILE *fd)
  {
      int num_chars=0;
      char c;
  
      while (1) {
          c = fgetc(f);
          if(feof(f))
              return;
          fputc(c,fd);
      }
  }
  
  int ind(char *s, char c) {
      register int x;
  
      for(x=0;s[x];x++)
          if(s[x] == c) return x;
  
      return -1;
  }
  
  void escape_shell_cmd(char *cmd) {
      register int x,y,l;
  
      l=strlen(cmd);
      for(x=0;cmd[x];x++) {
          if(ind("&;`'\"|*?~<>^()[]{}$\\\x0A",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 */
          }
      }
  }
  
  