| Function | Description | Links |
| attach_charset() | Attachment: Charset | get_string_t, expando_get_string_api |
| attach_number_num() | Attachment: Index number | get_number_t, expando_get_number_api |
| attach_tree() | Attachment: Tree characters | get_string_t, expando_get_string_api |
| body_attach_count_num() | Body: Number of MIME parts | get_number_t, expando_get_number_api |
| body_attach_qualifies() | Body: Attachment counting | get_string_t, expando_get_string_api |
| body_attach_qualifies_num() | Body: Attachment counting | get_number_t, expando_get_number_api |
| body_charset_convert() | Body: Requires conversion flag | get_string_t, expando_get_string_api |
| body_deleted() | Body: Deleted | get_string_t, expando_get_string_api |
| body_deleted_num() | Body: Deleted | get_number_t, expando_get_number_api |
| body_description() | Body: Description | get_string_t, expando_get_string_api |
| body_disposition() | Body: Disposition flag | get_string_t, expando_get_string_api |
| body_file() | Body: Filename | get_string_t, expando_get_string_api |
| body_file_disposition() | Body: Filename in header | get_string_t, expando_get_string_api |
| body_file_size() | Body: Size | get_string_t, expando_get_string_api |
| body_file_size_num() | Body: Size | get_number_t, expando_get_number_api |
| body_mime_encoding() | Body: MIME type | get_string_t, expando_get_string_api |
| body_mime_major() | Body: Major MIME type | get_string_t, expando_get_string_api |
| body_mime_minor() | Body: MIME subtype | get_string_t, expando_get_string_api |
| body_tagged() | Body: Is Tagged | get_string_t, expando_get_string_api |
| body_tagged_num() | Body: Is Tagged | get_number_t, expando_get_number_api |
| body_unlink() | Body: Unlink flag | get_string_t, expando_get_string_api |
| body_unlink_num() | Body: Unlink flag | get_number_t, expando_get_number_api |
