Function            isBlogical - is drive B: logical

  Syntax              boolean isBlogical(void);

  Prototype in        ibm.h

  Remarks             checks if drive B: is logical or physical

  Return value        returns TRUE if drive B: is logical, FALSE
                      otherwise.

  Example             #include <ibm.h>

                      main()
                      {
                           printf("Drive B: is ");
                           if (isBlogical())
                                printf("logical\n");
                           else
                                printf("physical\n");
                      }