Table 47 – Entries in a Mac OS file information dictionary

Key

Type

Value

Subtype

integer

(Optional) The embedded file’s file type. It shall be encoded as an integer according to Mac OS conventions: a 4-character ASCII text literal, that shall be a 32-bit integer, with the high-order byte first.

EXAMPLE The file type “CARO” is represented as the hexadecimal integer 4341524F, which is expressed in decimal as 1128354383.

Creator

integer

(Optional) The embedded file’s creator signature shall be encoded in the same way as Subtype.

ResFork

stream

(Optional) The binary contents of the embedded file’s resource fork.