#ifndef _STRUTIL_H_
#define _STRUTIL_H_


/* functions for string management */
extern char *strindex(char *s, char *t);
extern char *strsave(char *s);
extern char *strtolower(char *s);
extern char *strtoupper(char *s);
extern char *hasupper(char *s);
extern char *haslower(char *s);
extern char *singular(char *s);
extern char *plural(char *s);
extern char *hasdigit(char *s);
extern int blank(char *s);
extern translate(char *s, char a, char b);


#endif