get_field_ea

// Get address of the specified field using the type information
//      ea         - address of the strcture
//      field_name - name of the structure field
// If the database contains a structurue at the specified ea and the
// type information is present, this function will return the address of the
// structure field.

long get_field_ea(long ea, string field_name);


For example:
  .data:00413060 errtable        dd 1   ; oscode
  .data:00413060                 dd 16h ; errnocode


        Message("address is: %x\n", _errtable.errnocode);

prints 413064.