在GNU Emacs中查找字符的Unicode代码点

In XEmacs this is done by the calling the function char-to-ucs on a character. GNU Emacs does not seem to have this function. In GNU Emacs, characters seem to be ordinary integers. Running C-x = on a latin character reveals that the Emacs codepoint is different from the Unicode codepoint for the corresponding character. How do I find the Unicode codepoint of the character at point in GNU Emacs?In XEmacs this is done by the calling the funct