Finds out the value of a character in a string.


int ugetat(const char *s, int index);
Finds out the character value at the specified `index' in the string. A zero `index' parameter will return the first character of the string. If `index' is negative, it counts backward from the end of the string, so an `index' of `-1' will return the last character of the string. Example:
      int third_letter = ugetat(text_string, 2);
Returns the character value at the specified index in the string.

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