text: /* $Revision: 1.2 $ */
  
  #ifndef _STRING_H_
  #define _STRING_H_
  
  int             islower(char ch);
  int             toupper(char ch);
  int             isnewline(char ch);
  void            bcopy(char *b1, char *b2, int length);
  int             strncmp(char *s1, char *s2, int n);
  char           *index(char *p, char ch);
  char           *rindex(char *p, char ch);
  int             isspace(char ch);
  int             hexchar_to_int(char ch);
  int             atoi(char *cp);
  int             getopt(int nargc, char *const * nargv, char *ostr);
  int             strlen(const char *str);
  
  #endif
  