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OpenVMS Programming Concepts Manual

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E.2 Ada Implementations

Table E-2 lists the OpenVMS data types and their corresponding Ada data type declarations.

Table E-2 Ada Implementations
OpenVMS Data Types Ada Declarations
access_bit_names STARLET.ACCESS_BIT_NAMES_TYPE
access_mode STARLET.ACCESS_MODE_TYPE
address SYSTEM.ADDRESS
address_range STARLET.ADDRESS_RANGE_TYPE
arg_list STARLET.ARG_LIST_TYPE
ast_procedure SYSTEM.AST_HANDLER
boolean STANDARD.BOOLEAN
byte_signed STANDARD.SHORT_SHORT_INTEGER
byte_unsigned SYSTEM.UNSIGNED_BYTE
channel STARLET.CHANNEL_TYPE
char_string STANDARD.STRING
complex_number User-defined record
cond_value CONDITION_HANDLING.COND_VALUE_TYPE
context STARLET.CONTEXT_TYPE
date_time STARLET.DATE_TIME_TYPE
device_name STARLET.DEVICE_NAME_TYPE
ef_cluster_name STARLET.EF_CLUSTER_NAME_TYPE
ef_number STARLET.EF_NUMBER_TYPE
exit_handler_block STARLET.EXIT_HANDLER_BLOCK_TYPE
fab STARLET.FAB_TYPE
file_protection STARLET.FILE_PROTECTION_TYPE
floating_point STANDARD.FLOAT
STANDARD.LONG_FLOAT
STANDARD.LONG_LONG_FLOAT
SYSTEM.F_FLOAT
SYSTEM.D_FLOAT
SYSTEM.G_FLOAT
SYSTEM.H_FLOAT
SYSTEM.IEEE_SINGLE_FLOAT 1
SYSTEM.IEEE_DOUBLE_FLOAT 1
function_code STARLET.FUNCTION_CODE_TYPE
identifier SYSTEM.UNSIGNED_LONGWORD
invo_context_blk 1 User-defined record
invo_handle 1 SYSTEM.UNSIGNED_LONGWORD
io_status_block STARLET.IOSB_TYPE
item_list_pair SYSTEM.UNSIGNED_LONGWORD
item_list_2 STARLET.ITEM_LIST_2_TYPE
item_list_3 STARLET.ITEM_LIST_3_TYPE
item_quota_list User-defined record
lock_id STARLET.LOCK_ID_TYPE
lock_status_block STARLET.LOCK_STATUS_BLOCK_TYPE
lock_value_block STARLET.LOCK_VALUE_BLOCK_TYPE
logical_name STARLET.LOGICAL_NAME_TYPE
longword_signed STANDARD.INTEGER
longword_unsigned SYSTEM.UNSIGNED_LONGWORD
mask_byte SYSTEM.UNSIGNED_BYTE
mask_longword SYSTEM.UNSIGNED_LONGWORD
mask_quadword SYSTEM.UNSIGNED_QUADWORD
mask_word SYSTEM.UNSIGNED_WORD
mechanism_args STARLET.CHFDEF2_TYPE
null_arg SYSTEM.UNSIGNED_LONGWORD
octaword_signed array(1..4) of SYSTEM.UNSIGNED_LONGWORD
octaword_unsigned array(1..4) of SYSTEM.UNSIGNED_LONGWORD
page_protection STARLET.PAGE_PROTECTION_TYPE
procedure SYSTEM.ADDRESS
process_id STARLET.PROCESS_ID_TYPE
process_name STARLET.PROCESS_NAME_TYPE
quadword_signed SYSTEM.UNSIGNED_QUADWORD
quadword_unsigned SYSTEM.UNSIGNED_QUADWORD
rights_holder STARLET.RIGHTS_HOLDER_TYPE
rights_id STARLET.RIGHTS_ID_TYPE
rab STARLET.RAB_TYPE
section_id STARLET.SECTION_ID_TYPE
section_name STARLET.SECTION_NAME_TYPE
system_access_id STARLET.SYSTEM_ACCESS_ID_TYPE
time_name STARLET.TIME_NAME_TYPE
transaction_id array(1..4) of SYSTEM.UNSIGNED_LONGWORD
uic STARLET.UIC_TYPE
user_arg STARLET.USER_ARG_TYPE
varying_arg SYSTEM.UNSIGNED_LONGWORD
vector_byte_signed array(1.. n) of STANDARD.SHORT_SHORT_INTEGER
vector_byte_unsigned array(1.. n) of SYSTEM.UNSIGNED_BYTE
vector_longword_signed array(1.. n) of STANDARD.INTEGER
vector_longword_unsigned array(1.. n) of SYSTEM.UNSIGNED_LONGWORD
vector_quadword_signed array(1.. n) of SYSTEM.UNSIGNED_QUADWORD
vector_quadword_unsigned array(1.. n) of SYSTEM.UNSIGNED_QUADWORD
vector_word_signed array(1.. n) of STANDARD.SHORT_INTEGER
vector_word_unsigned array(1.. n) of SYSTEM.UNSIGNED_WORD
word_signed STANDARD.SHORT_INTEGER
word_unsigned SYSTEM.UNSIGNED_WORD
1Alpha specific.

E.3 Application Programming Language (APL) Implementations

Table E-3 lists the OpenVMS data types and their corresponding APL data type declarations.

Table E-3 APL Implementations
OpenVMS Data Types APL Declarations
access_bit_names na
access_mode /TYPE=BU
address na
address_range na
arg_list na
ast_procedure na
boolean /TYPE=V
byte_signed /TYPE=B
byte_unsigned /TYPE=BU
channel /TYPE=WU
char_string /TYPE=T
complex_number /TYPE=FC
/TYPE=DC
/TYPE=GC
/TYPE=HC
cond_value /TYPE=LU
context na
date_time na
device_name /TYPE=T
ef_cluster_name /TYPE=T
ef_number /TYPE=LU
exit_handler_block na
fab na
file_protection /TYPE=WU
floating_point /TYPE=F
/TYPE=D
/TYPE=G
/TYPE=H
function_code na
identifier na
io_status_block na
item_list_2 na
item_list_3 na
item_list_pair na
item_quota_list na
lock_id /TYPE=LU
lock_status_block na
lock_value_block na
logical_name /TYPE=T
longword_signed /TYPE=L
longword_unsigned /TYPE=LU
mask_byte /TYPE=BU
mask_longword /TYPE=LU
mask_quadword na
mask_word /TYPE=WU
null_arg /TYPE=LU
octaword_signed na
octaword_unsigned na
page_protection /TYPE=LU
procedure na
process_id /TYPE=LU
process_name /TYPE=T
quadword_signed na
quadword_unsigned na
rights_holder na
rights_id /TYPE=LU
rab na
section_id na
section_name /TYPE=T
system_access_id na
time_name /TYPE=T
transaction_id na
uic /TYPE=LU
user_arg /TYPE=LU
varying_arg na
vector_byte_signed /TYPE=B
vector_byte_unsigned /TYPE=BU
vector_longword_signed /TYPE=L
vector_longword_unsigned /TYPE=LU
vector_quadword_signed na
vector_quadword_unsigned na
vector_word_signed /TYPE=W
vector_word_unsigned /TYPE=WU
word_signed /TYPE=W
word_unsigned /TYPE=WU

E.4 BASIC Implementations

Table E-4 lists the OpenVMS data types and their corresponding BASIC data type declarations.

Table E-4 BASIC Implementations
OpenVMS Data Type BASIC Declarations
access_bit_names na
access_mode BYTE (signed)
address LONG
address_range LONG address_range (1)
or
RECORD address_range
LONG beginning_address
LONG ending_address
END RECORD
arg_list na
ast_procedure EXTERNAL LONG ast_proc
boolean LONG
byte_signed BYTE
byte_unsigned BYTE 1
channel WORD
char_string STRING
complex_number RECORD complex
REAL real_part
REAL imaginary_part
END RECORD
cond_value LONG
context LONG
date_time RECORD date_time
LONG FILL (2)
END RECORD
device_name STRING
ef_cluster_name STRING
ef_number LONG
exit_handler_block RECORD EHCB
LONG flink
LONG handler_addr
BYTE arg_count
BYTE FILL (3)
LONG status_value_addr
END RECORD
fab na
file_protection LONG
floating_point SINGLE
DOUBLE
GFLOAT
HFLOAT
function_code RECORD function-code
WORD major-function
WORD subfunction
END RECORD
identifier LONG
io_status_block RECORD iosb
WORD iosb-field (3)
END RECORD
item_list_2 RECORD item_list_two
GROUP item(15)
VARIANT
CASE
WORD comp_length
WORD code
LONG comp_address
CASE
LONG terminator
END VARIANT
END GROUP
END RECORD
item_list_3 RECORD item_list_3
GROUP item (15)
VARIANT
CASE
WORD buf_len
WORD code
LONG buffer_address
LONG length_address
CASE
LONG terminator
END VARIANT
END GROUP
END RECORD
item_list_pair RECORD item_list_pair
GROUP item (15)
VARIANT
CASE
LONG code
LONG value
CASE
LONG terminator
END VARIANT
END GROUP
END RECORD item_list_pair
item_quota_list RECORD item_quota_list
GROUP quota ( n)
VARIANT
CASE
BYTE quota_name
LONG value
CASE
BYTE list_end
END VARIANT
END GROUP
END RECORD
lock_id LONG
lock_status_block na
lock_value_block na
logical_name STRING
longword_signed LONG
longword_unsigned LONG 1
mask_byte BYTE
mask_longword LONG
mask_quadword RECORD quadword
LONG FILL (2)
END RECORD 1
mask_word WORD
null_arg A null argument is indicated by a comma used as a placeholder in the argument list.
octaword_signed na
octaword_unsigned na
page_protection LONG
procedure EXTERNAL LONG proc
process_id LONG
process_name STRING
quadword_signed RECORD quadword
LONG FILL (2)
END RECORD
quadword_unsigned RECORD quadword
LONG FILL (2)
END RECORD 1
rights_holder RECORD quadword
LONG FILL (2)
END RECORD 1
rights_id LONG
rab na
section_id RECORD quadword
LONG FILL (2)
END RECORD 1
section_name STRING
system_access_id RECORD quadword
LONG FILL (2)
END RECORD 1
time_name STRING
transaction_id na
uic LONG
user_arg LONG
varying_arg Depends on the application.
vector_byte_signed BYTE array n
vector_byte_unsigned BYTE array n 1
vector_longword_signed LONG array n
vector_longword_unsigned LONG array n 1
vector_quadword_signed na
vector_quadword_unsigned na
vector_word_signed WORD array n
vector_word_unsigned WORD array n 1
word_signed WORD
word_unsigned WORD 1
1Although unsigned data types are not directly supported in BASIC, you may substitute the signed equivalent provided you do not exceed the range of the signed data type.

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