char *util_strdup (const char *);
char *util_strrq (char *);
char *util_strrnl (char *);
-char *util_strsws (char *, char **);
+char *util_strsws (const char *);
+char *util_strchp (const char *, const char *);
void util_debug (const char *, const char *, ...);
int util_getline (char **, size_t *, FILE *);
void util_endianswap (void *, int, int);