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Trf_CreateCtrlBlock(3)					     Library Functions Manual					    Trf_CreateCtrlBlock(3)

NAME
Trf_CreateCtrlBlock - Interface to procedure for creation of encoder/decoder control structures. SYNOPSIS
#include <transform.h> Trf_ControlBlock Trf_CreateCtrlBlock ( ClientData writeClientData, Trf_WriteProc *fun, Trf_Options optInfo, Tcl_Interp *interp, ClientData clientData ); PARAMETERS
ClientData writeClientData Arbitrary information given as clientdata to 'fun'. Trf_WriteProc *fun Vector to use for writing generated results. Trf_Options optInfo Options to configure the control. Tcl_Interp *interp Interpreter for error messages. ClientData clientData Arbitrary information, as defined in Trf_TypeDefinition.clientData. DESCRIPTION
The procedure has to create a control structure for an encoder/decoder. The structure must be initialized with the contents of the the option container. Return value is an opaque handle aof the control structure or NULL in case of failure. An error message should be left in the result area of the specified interpreter then. SEE ALSO
Trf_Init(3), Trf_SafeInit(3), Trf_IsInitialized(3), Trf_CreateOptions(3), Trf_DeleteOptions(3), Trf_CheckOptions(3), Trf_SetOption(3), Trf_SetObjOption(3), Trf_QueryOptions(3), Trf_SeekQueryOptions(3), Trf_WriteProc(3), Trf_DeleteCtrlBlock(3), Trf_TransformCharacter(3), Trf_TransformBuffer(3), Trf_FlushTransformation(3), Trf_ClearCtrlBlock(3), Trf_QueryMaxRead(3), Trf_Register(3), Trf_ConverterOptions(3), Trf_MDStart(3), Trf_MDUpdate(3), Trf_MDUpdateBuf(3), Trf_MDFinal(3), Trf_MDCheck(3), Trf_RegisterMessageDigest(3), Trf_LoadLibrary(3), Trf_XorBuffer(3), Trf_ShiftRegister(3), Trf_FlipRegisterShort(3), Trf_FlipRegisterLong(3), Trf_InitStubs(3) c2man transform.h 27 August 2002 Trf_CreateCtrlBlock(3)

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Tcl_CallWhenDeleted(3)					      Tcl Library Procedures					    Tcl_CallWhenDeleted(3)

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NAME
Tcl_CallWhenDeleted, Tcl_DontCallWhenDeleted - Arrange for callback when interpreter is deleted SYNOPSIS
#include <tcl.h> Tcl_CallWhenDeleted(interp, proc, clientData) Tcl_DontCallWhenDeleted(interp, proc, clientData) ARGUMENTS
Tcl_Interp *interp (in) Interpreter with which to associated callback. Tcl_InterpDeleteProc *proc (in) Procedure to call when interp is deleted. ClientData clientData (in) Arbitrary one-word value to pass to proc. _________________________________________________________________ DESCRIPTION
Tcl_CallWhenDeleted arranges for proc to be called by Tcl_DeleteInterp if/when interp is deleted at some future time. Proc will be invoked just before the interpreter is deleted, but the interpreter will still be valid at the time of the call. Proc should have arguments and result that match the type Tcl_InterpDeleteProc: typedef void Tcl_InterpDeleteProc( ClientData clientData, Tcl_Interp *interp); The clientData and interp parameters are copies of the clientData and interp arguments given to Tcl_CallWhenDeleted. Typically, clientData points to an application-specific data structure that proc uses to perform cleanup when an interpreter is about to go away. Proc does not return a value. Tcl_DontCallWhenDeleted cancels a previous call to Tcl_CallWhenDeleted with the same arguments, so that proc will not be called after all when interp is deleted. If there is no deletion callback that matches interp, proc, and clientData then the call to Tcl_DontCallWhen- Deleted has no effect. KEYWORDS
callback, delete, interpreter Tcl 7.0 Tcl_CallWhenDeleted(3)
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