Function to initialise the mpg123 library. This function is not thread-safe. Call it exactly once per process, before any other (possibly threaded) work with the library.
\return MPG123_OK if successful, otherwise an error number.
See Implementation
Function to initialise the mpg123 library. This function is not thread-safe. Call it exactly once per process, before any other (possibly threaded) work with the library.
\return MPG123_OK if successful, otherwise an error number.