Set a specific parameter, for a specific mpg123_pars, using a parameter
type key chosen from the mpg123_parms enumeration, to the specified value.
\param mp parameter handle
\param type parameter choice
\param value integer value
\param fvalue floating point value
\return MPG123_OK on success
Set a specific parameter, for a specific mpg123_pars, using a parameter type key chosen from the mpg123_parms enumeration, to the specified value. \param mp parameter handle \param type parameter choice \param value integer value \param fvalue floating point value \return MPG123_OK on success