Micro Focus Visual COBOL 2.3 Update 1 for Eclipse (UNIX) > General Reference > Library Routines > Alphabetical List of Library Routines

Alphabetical List of Library Routines

_CODESET
Converts a string between the EBCDIC and ASCII character sets.
CBL_ABORT_RUN_UNIT
Aborts the current run unit irrespective of the state of existing threads.
CBL_ALLOC_DYN_MEM
Dynamically allocates memory, and can associate it with the calling program.
CBL_ALLOC_MEM
Dynamically allocates memory, and can associate allocated heap data with a thread and/or the calling program.
CBL_ALLOC_SHMEM
Dynamically allocates shared memory.
CBL_ALLOC_THREAD_MEM
Allocates thread-specific heap memory.
CBL_AND
Does a logical AND between the bits of two data items.
CBL_CANCEL
Cancels a COBOL program.
CBL_CANCEL_PROC
Provides control over program cancels.
CBL_CFGREAD_DYNFH
The CBL_CFGREAD_DYNFH option determines whether the File Handler should reread its configuration file for configurable custom file handlers.
CBL_CFGREAD_EXTFH
Forces the File Handler to reread its configuration file.
CBL_CHANGE_DIR
Changes the current directory.
CBL_CHECK_FILE_EXIST
Checks whether a file exists and if it does, returns details of when the file was last modified.
CBL_CLEAR_SCR
Clears the whole screen to a specified character and attribute.
CBL_CLOSE_FILE
Closes a file opened for byte-stream operations.
CBL_CLOSE_VFILE
Closes a heap.
CBL_CODESET_SET_MAPPING
Enables you to change the codeset in effect.
CBL_COPY_FILE
Copies a file.
CBL_CREATE_DIR
Creates a subdirectory.
CBL_CREATE_FILE
Creates a new file and leaves it open for byte-stream operations.
CBL_CTF_COMP_PROPERTY_GET
Returns a named property value for a component.
CBL_CTF_COMP_PROPERTY_SET
Specifies a value for a component's property.
CBL_CTF_DEST
Specifies an output destination by associating (or disassociating) an emitter with (or from) a component or the default emitter list.
CBL_CTF_EMITTER_PROPERTY_GET
Returns a named property value for an emitter.
CBL_CTF_EMITTER_PROPERTY_SET
Sets a named property value for an emitter.
CBL_CTF_LEVEL
Specifies the trace level to be used for a specific component, or the default trace level if a component identifier is not specified.
CBL_CTF_TRACE
Outputs an event to one or more output destinations.
CBL_CTF_TRACER_GET
Returns a tracer handle that can be passed to other tracing routines to identify a component.
CBL_CTF_TRACER_LEVEL_GET
Returns a tracer's current threshold trace level.
CBL_CTF_TRACER_NOTIFY
Installs or uninstalls a tracer configuration callback function.
CBL_CULL_RUN_UNITS
Clears any dead run units.
CBL_DEBUGBREAK
Enables a COBOL program to invoke Animator.
CBL_DEBUG_START
Enables a COBOL program to initiate advanced remote debugging or cross-session debugging.
CBL_DEBUG_STOP
Enables a COBOL program to stop or suspend animation.
CBL_DELETE_DIR
Deletes a directory. The directory is deleted only if it is empty.
CBL_DELETE_FILE
Deletes a file.
CBL_DIR_SCAN_END
Terminates a search operation.
CBL_DIR_SCAN_READ
Searches for the next entry in the file system using a search handle returned by a previous CBL_DIR_SCAN_START.
CBL_DIR_SCAN_START
Initializes a search for a file or directory.
CBL_EQ
Does a logical EQUIVALENCE between the bits of two data items.
CBL_ERROR_PROC
Installs or removes an error procedure to be invoked automatically when a run-time system error occurs.
CBL_EVENT_CLEAR
Clears the specified event.
CBL_EVENT_CLOSE
Closes the supplied event handle.
CBL_EVENT_OPEN_INTRA
Creates an intra-process event.
CBL_EVENT_POST
Posts the specified event.
CBL_EVENT_WAIT
Waits for the event to be posted.
CBL_EXEC_RUN_UNIT
Creates a synchronous or asynchronous run unit.
CBL_EXIT_PROC
Installs or removes a closedown procedure to be invoked automatically when the application terminates.
CBL_FILENAME_CONVERT
Converts a filename between space-terminated and null-terminated format.
CBL_FILENAME_MAX_LENGTH
Returns the maximum size of a filename that the run-time system and the current operating system can handle. This size does not include any terminators (null or space).
CBL_FLUSH_FILE
Ensures all file buffers for a file are written to disk. This includes both run-time system buffers and operating system buffers.
CBL_FREE_DYN_MEM
Frees dynamically allocated memory allocated by the CBL_ALLOC_DYN_MEM routine.
CBL_FREE_MEM
Frees dynamically allocated memory.
CBL_FREE_RECORD_LOCK
Releases a record lock on a file.
CBL_FREE_SHMEM
Frees dynamically allocated shared memory.
CBL_FREE_THREAD_MEM
Frees dynamically allocated thread-specific heap memory.
CBL_GET_CSR_POS
Returns the cursor position.
CBL_GET_CURRENT_DIR
Returns the current directory.
CBL_GET_EXIT_INFO
Enables an application to determine under what circumstances an exit procedure has been invoked.
CBL_GET_KBD_STATUS
Checks whether there is a character waiting to be read from the keyboard.
CBL_GET_OS_INFO
Returns information about the operating system environment.
CBL_GET_PROGRAM_INFO
Returns information for a named program, or a program in the current call stack.
CBL_GET_RECORD_LOCK
Obtains a record lock on a file.
CBL_GET_SCR_GRAPHICS
Returns operating system independent codes for graphics characters.
CBL_GET_SCR_LINE_DRAW
Returns a table of values defining the character values required by the run-time system screen output routines to correctly display given line drawing characters.
CBL_GET_SCR_SIZE
Returns information about the size of the screen.
CBL_GET_SHMEM_PTR
Reads a named value.
CBL_IMP
Does a logical IMPLIES between the bits of two data items.
CBL_JOIN_FILENAME
Forms a filename by joining together its component parts; that is, the pathname, basename and extension.
CBL_LOCATE_FILE
This routine has two uses. It can be used to expand an environment variable in a file specification, where the environment variable contains a list of several paths. It can also determine whether an OPEN INPUT statement using a particular file specification finds the file in a library file or as a separate disk file.
CBL_MANAGED_SESSION_GET_USERDATA
Retrieves user data saved in the current RunUnit.
CBL_MANAGED_SESSION_SET_USERDATA
Sets user data in the current RunUnit.
CBL_MEM_STRATEGY
Changes the memory strategy for an application dynamically.
CBL_MEM_VALIDATE
Validates memory allocations, monitored freed memory, and, if the operating system supports it, compacts memory heaps.
CBL_MONITOR_BROWSE
Acquires the specified monitor's browse capability for the current thread, blocking until that capability can be acquired.
CBL_MONITOR_BROWSE_TO_READ
Converts monitor browse capability already acquired by the current thread to read capability.
CBL_MONITOR_BROWSE_TO_WRITE
Converts monitor browse capability already acquired by the current thread to write capability, blocking until this can be achieved.
CBL_MONITOR_CLOSE
Closes the supplied monitor handle.
CBL_MONITOR_OPEN_INTRA
Creates a monitor synchronization object for thread synchronization within one process.
CBL_MONITOR_READ
Acquires the specified monitor's read capability for the current thread/process, blocking until that capability can be acquired.
CBL_MONITOR_RELEASE
Releases any lock currently applied to the specified monitor by CBL_MONITOR_WRITE, CBL_MONITOR_READ or CBL_MONITOR_BROWSE.
CBL_MONITOR_UNBROWSE
Releases the monitor's browse capability that was acquired by CBL_MONITOR_BROWSE or CBL_MONITOR_WRITE_TO_BROWSE.
CBL_MONITOR_UNREAD
Releases the monitor's read capability that was acquired by CBL_MONITOR_READ or CBL_MONITOR_BROWSE_TO_READ.
CBL_MONITOR_UNWRITE
Releases the monitor's write capability that was acquired by CBL_MONITOR_WRITE or CBL_MONITOR_BROWSE_TO_WRITE.
CBL_MONITOR_WRITE
Acquires the specified monitor's write capability for the current thread, blocking until that capability can be acquired.
CBL_MONITOR_WRITE_TO_BROWSE
Converts monitor write capability already acquired by the current thread to browse capability.
CBL_MUTEX_ACQUIRE
Acquires a mutex for the specified thread.
CBL_MUTEX_CLOSE
Closes the specified mutex.
CBL_MUTEX_OPEN_INTRA
Create an intra-process mutex.
CBL_MUTEX_RELEASE
Releases the specified mutex.
CBL_NLS_CLOSE_MSG_FILE
Closes a National Locale Support (NLS) message file.
CBL_NLS_COMPARE
Compares two strings.
CBL_NLS_INFO
Gets/sets national language information.
CBL_NLS_OPEN_MSG_FILE
Open a National Locale Support (NLS) message file.
CBL_NLS_READ_MSG
Reads a message from a National Locale Support (NLS) message file.
CBL_NOT
Does a logical NOT on the bits of a data item.
CBL_OPEN_FILE
Opens an existing file for byte-stream operations.
CBL_OPEN_VFILE
Opens a heap.
CBL_OR
Does a logical OR between the bits of two data items.
CBL_PUT_SHMEM_PTR
Creates or updates a named value.
CBL_READ_FILE
Reads bytes from a file.
CBL_READ_KBD_CHAR
Waits until a character is typed and then reads it with no echo.
CBL_READ_SCR_ATTRS
Reads a string of attributes from the screen.
CBL_READ_SCR_CHARS
Reads a string of characters from the screen.
CBL_READ_SCR_CHATTRS
Reads a string of characters and their attributes from the screen.
CBL_READ_VFILE
Reads bytes from a heap.
CBL_RENAME_FILE
Changes the name of a file.
CBL_RUNTIME_ERROR
Forces the application to terminate with a run-time error condition.
CBL_SCR_ALLOCATE_COLOR
Finds an entry in the colormap for each of one or more given RGB values.
CBL_SCR_ALLOCATE_VC_COLOR
Sets one or more specified virtual colormap entries to the RGB values supplied.
CBL_SCR_CREATE_VC
Creates a virtual colormap and copies the contents of the system colormap to it.
CBL_SCR_DESTROY_VC
Destroys a virtual colormap, causing the run-time system to revert to using the system colormap.
CBL_SCR_GET_ATTR_INFO
Returns information about the attribute system for the environment.
CBL_SCR_GET_ATTRIBUTES
Gets the character attribute code, and foreground and background colormap indexes for one or more entries in the attribute table.
CBL_SCR_NAME_TO_RGB
Converts a single named color into an RGB value.
CBL_SCR_QUERY_COLORMAP
Returns the RGB value for one or more colormap entries.
CBL_SCR_RESTORE
Restores an area of the character-mode screen previously saved with a call to the CBL_SCR_SAVE call-by-name routine.
CBL_SCR_RESTORE_ATTRIBUTES
Restores the attribute table to the saved values that are associated with the specified buffer handle.
CBL_SCR_SAVE
Saves away an area of the screen (text and attributes) for subsequent restoration.
CBL_SCR_SAVE_ATTRIBUTES
Saves the current settings of the attribute table.
CBL_SCR_SET_ATTRIBUTES
Defines the character attribute, and foreground and background colormap indexes associated with each of one or more COBOL attribute values (attribute table indexes).
CBL_SCR_SET_PC_ATTRIBUTES
Sets up the current COBOL attribute table so as to emulate, as closely as possible, the IBM-PC attribute table.
CBL_SEMAPHORE_ACQUIRE
Acquires one of the resources represented by the semaphore by decrementing the associated count.
CBL_SEMAPHORE_CLOSE
Closes the specified semaphore.
CBL_SEMAPHORE_OPEN_INTRA
Creates an intra-process semaphore.
CBL_SEMAPHORE_RELEASE
Releases one of the resources represented by the semaphore by incrementing the associated count.
CBL_SET_CSR_POS
Moves the cursor.
CBL_SPLIT_FILENAME
Splits a filename into its component parts; that is, the pathname, basename and extension.
CBL_STRING_CONVERT
Converts a string from one character encoding to another.
CBL_SUBSYSTEM
Declares or deallocates subsystems.
CBL_SRV_SERVICE_FLAGS_GET
Enables a program running within a COBOL container as part of a service to determine the service's execution characteristics.
CBL_SRV_SERVICE_FLAGS_SET
Enables a program running within a COBOL container as part of a service to set one or more the service's execution characteristics.
CBL_SWAP_SCR_CHATTRS
Swaps a string of characters and their attributes with a string from the screen.
CBL_TEST_RECORD_LOCK
Tests for an existing record lock on a file.
CBL_THREAD_CREATE
Creates a thread from a named entry point.
CBL_THREAD_CREATE_P
Creates a thread from a procedure pointer.
CBL_THREAD_DETACH
Frees thread resources when the thread terminates.
CBL_THREAD_EXIT
Terminates the current thread.
CBL_THREAD_IDDATA_ALLOC
Allocates an id-data area for the current thread.
CBL_THREAD_IDDATA_GET
Returns a pointer to the id-data area for the specified thread.
CBL_THREAD_KILL
Kills the specified thread, terminating it abnormally and detaching all resources associated with it.
CBL_THREAD_LIST_END
Used in conjunction with CBL_THREAD_LIST_START and CBL_THREAD_LIST_NEXT to obtain a list of all currently existing threads that the run-time system knows about. It is required to terminate a CBL_THREAD_LIST_START.
CBL_THREAD_LIST_NEXT
Used in conjunction with CBL_THREAD_LIST_START and CBL_THREAD_LIST_END to obtain a list of all currently existing threads that the run-time system knows about. The CBL_THREAD_LIST_NEXT call takes returns the next item in the list of threads.
CBL_THREAD_LIST_START
Used in conjunction with CBL_THREAD_LIST_NEXT and CBL_THREAD_LIST_END to obtain a list of all currently existing threads that the run-time system knows about.
CBL_THREAD_LOCK
Locks most functions of the thread-handling routines.
CBL_THREAD_PROG_LOCK
With CBL_THREAD_PROG_UNLOCK, provides a single pre-initialized synchronization object per calling COBOL program
CBL_THREAD_PROG_UNLOCK
With CBL_THREAD_PROG_LOCK, provides a single pre-initialized synchronization object per calling COBOL program
CBL_THREAD_RESUME
Resumes a thread that was or will be suspended by CBL_THREAD_SUSPEND.
CBL_THREAD_SELF
Stores the thread identifier of the current thread.
CBL_THREAD_SLEEP
Causes the calling thread to give up control to the processor for the given number of milliseconds.
CBL_THREAD_SUSPEND
Suspends the current thread.
CBL_THREAD_UNLOCK
Unlocks most functions of the thread handling routines.
CBL_THREAD_WAIT
Waits for completion of the specified non-detached thread, or returns immediately if the thread has already completed.
CBL_THREAD_YIELD
Yields the rest of the current thread's timeslice.
CBL_TOLOWER
Converts a string of letters to lower case.
CBL_TOUPPER
Converts a string of letters to upper case.
CBL_TSTORE_CLOSE
Closes a handle returned by CBL_TSTORE_CREATE.
CBL_TSTORE_CREATE
Creates a handle for and specifies the size of a thread-storage area. These values can be used in subsequent calls to CBL_TSTORE_GET. The new thread-storage area is initialized to zeroes.
CBL_TSTORE_GET
Gets a pointer to the thread-specific memory specified by CBL_TSTORE_CREATE.
CBL_WRITE_FILE
Writes bytes to a file.
CBL_WRITE_SCR_ATTRS
Writes a string of attributes to the screen.
CBL_WRITE_SCR_CHARS
Writes a string of characters to the screen.
CBL_WRITE_SCR_CHARS_ATTR
Writes a string of characters to the screen, giving them all the same attribute.
CBL_WRITE_SCR_CHATTRS
Writes a string of characters and their attributes to the screen.
CBL_WRITE_SCR_N_ATTR
Writes a specified attribute to a string of positions on the screen.
CBL_WRITE_SCR_N_CHAR
Writes a specified character to a string of positions on the screen.
CBL_WRITE_SCR_N_CHATTR
Writes a specified character and attribute to a string of positions on the screen.
CBL_WRITE_SCR_TTY
Writes a string of characters to the screen starting at the current position and scrolling.
CBL_WRITE_VFILE
Writes bytes to a heap.
CBL_XOR
Does a logical XOR between the bits of two data items.
CBL_YIELD_RUN_UNIT
Yields the remainder of a run-unit's time-slice.
JVM_LOAD_NATIVE
Loads a native shared library into the JVM runtime. Once the shared library is loaded, use the CALL statement to call one of its entry points, from your JVM COBOL programs.
JVM_UNSAFE_NATIVE_MEMCOPY
Copies native memory to managed memory allocated by third-party APIs, such as the Windows FormatMessage API. You cannot address managed memory except with this JVM_UNSAFE_NATIVE_MEMCOPY library routine.
MF_CLIENT_STATE_ALLOCATE
Allocates a client identifier.
MF_CLIENT_STATE_DELETE
Deletes an existing client identifier and its associated client information.
MF_CLIENT_STATE_EXPIRY
Returns a date string for use in the cookie expiry field.
MF_CLIENT_STATE_FILE
Specifies the file to be used on the server to store state information.
MF_CLIENT_STATE_PURGE
Deletes all client information older than the number of days specified.
MF_CLIENT_STATE_RESTORE
Restores a previously saved or allocated record which matches the client identifier.
MF_CLIENT_STATE_SAVE
Updates the information in the state file.
mFFH
Initializes the File Handler.
MFFH_MODIFY_DISABLE
Disables all File Handler trace modification set by previous MFFH_MODIFY_TRACE calls.
MFFH_MODIFY_TRACE
Modifies some FCD fields, to save directly accessing the FCD. You can use this call whether you are issuing standard COBOL I/O statements or calling the File Handler explicitly using the API.
SYSTEM
Executes an arbitrary operating system command.
X"91" function 11
Sets the programmable COBOL switches.
X"91" function 12
Reads the programmable COBOL switches.
X"91" function 13
Sets the run-time switches
X"91" function 14
Reads the run-time switches
X"91" function 15
Checks for the existence of the specified program.
X"91" function 16
Shows how many of the parameters in the call statement of the calling program have been transferred to the called subprogram.
X"91" function 35
Performs an EXEC call (like the DOS 4B call) to the specified program file, executing it.
X"91" function 46
Enables insertion of a null character x"00" before data characters whose value is less than x"20" in line sequential files.
X"91" function 47
Disables insertion of a null character x"00" before data characters whose value is less than x"20" in line sequential files.
X"91" function 48
Enables insertion of tab characters in line sequential files.
X"91" function 49
Disables insertion of tab characters in line sequential files.
X"91" function 69
Searches a directory for a given file specification.
X"A7" functions 6 and 7
Reads and sets user attribute.
X"A7" function 16
Turns the user attribute on or off.
X"A7" function 17
Sets the cursor type.
X"A7" function 18
Makes console I/O redirectable.
X"A7" functions 20 and 21
Reads and sets system attributes.
X"A7" function 25
Returns the current screen type as recognized by the run-time system.
X"AF" function 1
Sets various configurable features of Adis, including enabling or disabling individual user function, Adis or data keys, or a series of consecutive keys at run-time.
X"AF" function 18
Displays a character to the screen at the current cursor position.
X"AF" function 22
Sounds the terminal alarm.
X"AF" function 26
Gets a character from the keyboard.
X"AF" Function 81
Enables SCREEN SECTION ACCEPT and DISPLAY statements to inherit Keisen attributes written by preceding CBL_ calls.
X"B0" function 0
Creates a function-key table.
X"B0" function 2
Tests the status of the Shift, Alt, Ctrl and Lock keys.
X"B0" function 4
Disables keyboard interrupts (Ctrl+Break).
X"E5"
Sounds the bell.
X"F5"
Unpacks the bits in a byte into eight bytes.
X"F4"
Packs the least significant bits in eight bytes into a single byte.

Parent topic: Library Routines