Retrieves tokens from a string.


char *ustrtok(char *s, const char *set);
This function retrieves tokens from `s' which are delimited by characters from `set'. To initiate the search, pass the string to be searched as `s'. For the remaining tokens, pass NULL instead. Warning: Since ustrtok alters the string it is parsing, you should always copy the string to a temporary buffer before parsing it. Also, this function is not reentrant (ie. you cannot parse two strings at the same time). Example:
      char *word;
      char string[]="some-words with dashes";
      char *temp = ustrdup(string);
      word = ustrtok(temp, " -");
      while (word) {
	 allegro_message("Found `%s'\n", word);
	 word = ustrtok(NULL, " -");
Returns a pointer to the token, or NULL if no more are found.
Examples using this:

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