BASICBASIC user exits

BASIC user exits

User exits allow calling direct system code from a BASIC oconv or iconv function. Many of the functions performed by user exits can be achieved by using the system() function or the execute statement with the appropriate TCL command or BASIC statement.

  • u$pl.mon.data user exit
    The u$pl.mon.data user exit returns this monitor information:
  • u000e user exit
    The u000e user exit gets the name of the current account.
  • u0003 user exit
    The u0003 user exit returns the TCL command invoking the FlashBASIC or BASIC program.
  • u0004 user exit
    The u0004 user exit returns term settings in dynamic array format.
  • u0005 user exit
    The u0005 user exit clears the type-ahead buffer.
  • u0010 user exit
    The u0010 user exit creates a phantom process.
  • u0011 user exit
    The u0011 user exit gets the port number of the scheduler process.
  • u001c user exit
    The u001c user exit gets the number of attributes (elements) after a matread.
  • u001e user exit
    The u001e user exit returns the checksum of a string.
  • u001f user exit
    The u001f user exit returns the last shutdown status.
  • u0033 user exit
    The u0033 user exit converts a decimal number into a Roman numeral.
  • u0039 user exit
    The u0039 user exit reads an absolute disk sector. This user exit provides more information than u14a.
  • u005b user exit
    The u005b user exit obtains and manipulates external strings, allowing the caller (likely non-FlashBASIC) to store data without writing to a file or storing it in BASIC string space. See xsuex User Exit for more information.
  • u007a user exit
    The u007A user exit updates a binary item from a FlashBASIC or BASIC program.
  • u0079 user exit
    The u0079 user exit returns the where status for the specified PCB (Process Control Block) FID, and its return stack information.
  • u0089 user exit
    User exit u0089 converts a hexadecimal number (in a string) to a binary number.
  • u009d user exit
    The u009d user exit encodes or decodes a string of characters.
  • u009e user exit
    The u009e user exit replaces all occurrences of str1 with str2 in str3.
  • u009f user exit
    The u009f user exit converts a binary number to a hexadecimal number (32-bit limit).
  • u00ba user exit
    The u00ba user exit performs BIOS INT 10 calls to change the video screen attributes on the console.
  • u00b9 user exit
    The u00b9 user exit returns a soundex value for a specified string.
  • u014a user exit
    The u014a user exit reads an absolute disk sector.
  • u014b user exit
    The u014b user exit writes an absolute disk sector.
  • u017e user exit
    The u017e user exit allows output of any character to the terminal or spooler.
  • u01b6 user exit
    The u01b6 user exit converts a numeric expression to the number of units as defined by the TCL set-units, set-dozens, set-decimal, or set-thousands commands.
  • u0209 user exit
    The u0209 user exit returns only alphabetical and numeric characters.
  • u0358 user exit
    The u0358 user exit allows character input combined with an eoi (end-of-input) character.
  • u0c user exit
    The u0c user exit encrypts a password.
  • u1072 user exit
    The u1072 user exit returns a dynamic array, sorted in ascending order.
  • u10b9 user exit
    The u10b9 user exit converts American currency punctuation ($1,000.00) to international punctuation (#1.000,00)
  • u11b6 user exit
    The u11b6 user exit converts a unit expression to a numeric value as defined by the TCL set-units, set-dozens, set-decimal, or set-thousands commands.
  • u1209 user exit
    The u1209 user exit breaks a single line of text into multiple lines of text with each line being no longer than length characters. This function is similar to the t justification in AQL.
  • u1a user exit
    The u1a user exit returns the tape block size.
  • u1f user exit
    The u1f user exit returns a string of digits indicating the boot status.
  • u20b9 user exit
    The u20b9 user exit converts international currency punctuation (#1.000,00) to American punctuation ($1,000.00).
  • u21 user exit
    The u21 user exit converts upper case to lower case.
  • u2117 user exit
    The u2117 user exit returns information about the current process.
  • u21a3 user exit
    The u21a3 user exit opens a file, or reads the next attribute from a file.
  • u21b6 user exit
    The u21b6 user exit returns a numeric value representative of the current unit setting defined by the TCL set-units, set-dozens, set-decimal, or set-thousands commands.
  • u22 user exit
    The u22 user exit converts lower case to upper case.
  • u222d user exit
    The u222d user exit retrieves the CC pointer item information from binary items.
  • u28 user exit
    The u28 user exit returns the number of saves that have occurred since the last full restore.
  • u3060 user exit
    The u3060 user exit encrypts a character string. The result is always an 8-character hexadecimal string.
  • u3079 user exit
    The u3079 user exit returns the PCB FID of the current process, or returns the port number of the current process.
  • u307a user exit
    The u307a user exit suspends processing until a specified time.
  • u3090 user exit
    The u3090 user exit aborts a FlashBASIC or BASIC program.
  • u313c user exit
    The u313c user exit returns the diskette drive type and density selected.
  • u3b user exit
    The u3b user exit returns information about the port.
  • u352e user exit
    The u352e user exit retrieves statistical information about the use of buffers by the D3 monitor. This user exit is for internal usage only.
  • u3f user exit
    The u3f user exit converts an ASCII hexadecimal-format string to binary, and sends it to the printer.
  • u4070 user exit
    The u4070 user exit directs all subsequent output to the terminal. This is the same as the BASIC printer off statement.
  • u407a user exit
    The u407a user exit sets a port to sleep for a specified number of seconds. This is the same as the BASIC sleep statement.
  • u4117 user exit
    The u4117 user exit returns the PCB (Process Control Block) in hexadecimal for the current process.
  • u413c user exit
    The u413c sets the format type to the given format media.
  • u4209 user exit
    The u4209 user exit parses the input into discrete words.
  • u47 user exit
    The u47 user exit writes a string in ASCII or hexadecimal to a specific location in a frame.
  • u48 user exit
    The u48 user exit reads a specific location of a frame and returns the content.
  • u50bb user exit
    The u50bb user exit returns the port number, user-ID, and current account for this process, just like the TCL who command.
  • u5117 user exit
    The u5117 user exit returns the PCB in hexadecimal for port 0.
  • u5e user exit
    The u5e user exit clears the internal BASIC heading and footing so that subsequent heading and footing statements display properly at the top of the next page.
  • u60ba user exit
    The u60ba user exit flushes all memory to disk, and shuts down the D3 system.
  • u60bb user exit
    The u60bb user exit returns the user-ID and account name of the current process.
  • u6193 user exit
    The u6193 user exit removes all but the last three characters from the data passed from the variable.
  • u63 user exit
    The u63 user exit sets/clears privilege bits.
  • u65 user exit
    The u0065 user exit returns the estimated number of items in the most recently referenced file.
  • u6d user exit
    The u6d user exit sends shutdown message.
  • u7000 user exit
    The u7000 user exit returns the size of an item.
  • u70ba user exit
    The u70ba user exit forces the system to restart.
  • u71 user exit
    The u71 user exit sets the HAForceCheck option programmatically. See the Host Authentication topic in the System Administration Guide for more information on host authentication.
  • u7193 user exit
    The u7193 user exit converts the American date format (mm/dd/yy) to international format (dd/mm/yy).
  • u8194 user exit
    The u8194 user exit returns the number of items selected by the most previous select.
  • u83 user exit
    The u83 user exit sets a group lock.
  • u84 user exit
    The u84 user exit clears a group lock from the group lock table.
  • u86 user exit
    The u86 user exit sets the root fid of the index.
  • u90 user exit
    The u90 user exit returns the file of files number for the file most previously referenced in the FlashBASIC or BASIC program.
  • u90e3 user exit
    The u90e3 user exit flips the parity bit on the input.
  • u91 user exit
    The u0091 user exit reads and writes D3 shell variables.
  • u9116 user exit
    The u9116 user exit logs on a given port.
  • u92 user exit
    The u92 user exit follows the links of a frame.
  • u98 user exit
    The u98 user exit retrieves the links for the specified fid.
  • ua116 user exit
    The ua116 user exit logs of the specified port.
  • ub070 user exit
    The ub070 user exit returns the absolute value of a variable, stripping the leading –, if any.
  • ub0ba user exit
    The ub0ba user exit reads one string of memory. The string that is returned must be pre-allocated prior to running oconv.
  • uc0ba user exit
    The uc0ba user exit writes a value into a memory address.
  • ud0ba user exit
    The ud0ba user exit reads a character byte from a serial port.
  • ue0ba user exit
    The ue0ba user exit writes a character byte out to a serial port.
  • uf070 user exit
    The uf070 user exit starts and stops multiuser mode, and returns information about the number of serial ports, PIBs, phantom PIBs, licensed users, users logged on, and the maximum number of users that can log on.
  • xsuex user exit
    The xsuex user exit obtains and manipulates external strings, allowing the caller (likely non-FlashBASIC) to store data without writing to a file or storing it in BASIC string space.

Related topics
BASIC
BASIC overview
BASIC clauses
BASIC functions
BASIC operators
BASIC reserved characters
BASIC statements
FlashBASIC C functions
Compiling programs
FlashBASIC modules
Using the COM interface to FlashBASIC
FlashBASIC triggers
BASIC screen utilities