when you have a function name and need to know the details about it, another resource you really should use is
PHP: Hypertext Preprocessor. it's very simple. just go there and type in the function name in the search.
check out the 'parameters' section of this page:
PHP: mysql_result - Manual
mysql_result is just another way to get data from a result set. you could easily use mysql_fetch_array or something similar as well.