[c-prog] how to play an MP3 using C and how to record an mp3 using C

[babu_v1]

hi to all,
i am naveen newly joind to this group.
i have problem in mp3 file accesing. 
1. i want to invoke an mp3 file using C 
2. i have to record in mp3 format
i got some examples below using VC++ MSDN. i want to know about in 
detail of the solution, and i did'nt get solution for recording 
please help me out in that
///this is an sample prg i found in MSDN

MCI_OPEN_PARMS op;
op.dwCallback = NULL;
op.lpstrDeviceType = (char*)MCI_ALL_DEVICE_ID;
op.lpstrElementName = "you_file_name.mp3";
op.lpstrAlias = NULL;

// Open command
mciSendCommand( NULL, MCI_OPEN,
MCI_OPEN_ELEMENT | MCI_WAIT | MCI_OPEN_TYPE | MCI_OPEN_TYPE_ID, 
(DWORD)&op);

// Play command
MCI_PLAY_PARMS pp;
pp.dwCallback = NULL;
pp.dwFrom = 0;
mciSendCommand(pDevice, MCI_PLAY, MCI_NOTIFY | MCI_FROM, (DWORD)&pp);
regards,
naveen