#define WIN32_LEAN_AND_MEAN

 #define NOWINRES

 #define NOSERVICE

 #define NOMCX

 #define NOIME

 #include "windows.h"

 #include <stdio.h>

 #include <malloc.h>

 #define TAG_SIZE(a) (((a)[0]&0x7F)*0x200000 + ((a)[1]&0x7F)*0x4000 + ((a)[2]&0x7F)*0x80 + ((a)[3]&0x7F))

 #define FME_SIZE(a) ((a)[0]*0x1000000 + (a)[1]*0x10000 + (a)[2]*0x100 + (a)[3])

 #pragma pack(1)

 struct ID3V2Header

 {

     BYTE Header[];

     BYTE Version;

     BYTE reVersion;

     BYTE Flag;

     BYTE Size[];

 };

 struct ID3V2Frame

 {

     BYTE FrameID[];

     BYTE Size[];

     BYTE Flag[];

 };

 #pragma pack()

 BOOL WINAPI ExtractAlbum(const char *inputFile, const char *outputFile)

 {

     FILE *f = fopen(inputFile, "rb");

     if (!f)

         return FALSE;

     BOOL success = FALSE;

     ID3V2Header hdr;

     if (fread(&hdr, sizeof(hdr), , f) != )

         goto err;

     if (memcmp(hdr.Header, "ID3", ))

         goto err;

     while (!feof(f))

     {

         if (ftell(f) - sizeof(hdr) >= TAG_SIZE(hdr.Size))

             break;

         ID3V2Frame frame;

         if (fread(&frame, sizeof(frame), , f) != )

             break;

         if (!memcmp(frame.FrameID, "APIC", ))

         {

             size_t pos = ftell(f);

             int ofs = fgetc(f) ?  : ;

             while (fgetc(f)) {}

             fseek(f, ofs, SEEK_CUR);

             size_t len = (pos + FME_SIZE(frame.Size)) - ftell(f);

             void *buf = malloc(len);

             if (fread(buf, len, , f) == )

             {

                 FILE *fpic = fopen(outputFile, "wb");

                 if (fpic)

                 {

                     fwrite(buf, len, , fpic);

                     fclose(fpic);

                     success = TRUE;

                 }

             }

             free(buf);

             continue;

         }

         fseek(f, FME_SIZE(frame.Size), SEEK_CUR);

     }

 err:

     fclose(f);

     return success;

 }