PK_FMFREE_f_t    


typedef void (*PK_FMFREE_f_t)(int *nbytes, char **memory, int *ifail);



  Free virtual memory

Receives:
  int                      *nbytes      --- length of memory region in bytes
  char                    **memory      --- pointer to start of memory region

Returns:
  int                      *ifail       --- error code: FR_no_errors


Description:
  Any space which has been allocated by calling FMALLO must be freed by a call
  to FMFREE, passing it the start address of the block of virtual memory and
  size of memory which was requested. The space must be freed by a single call.