Itcl_InitStack(3)

NAME
Itcl_InitStack, Itcl_DeleteStack, Itcl_PushStack, Itcl_PopStack, Itcl_PeekStack, Itcl_GetStackValue, Itcl_GetStackSize - Manipulate an Itcl stack object.

SYNOPSIS
#include <itcl.h>

int
Itcl_InitStack(stack)

int
Itcl_DeleteStack(stack)

int
Itcl_PushStack(cdata, stack)

ClientData
Itcl_PopStack(stack)

ClientData
Itcl_PeekStack(stack)

ClientData
Itcl_GetStackValue(stack, pos)

int
Itcl_GetStackSize(stack)

ARGUMENTS
Stack info structure. position in stack order from the top. Arbitrary one-word value to save in the stack.

DESCRIPTION

Itcl_InitStack initializes a stack structure and Itcl_DeleteStack deletes it. Itcl_PushStack pushes the cdata value onto the stack. Itcl_PopStack removes and returns the top most cdata value. Itcl_PeekStack returns the top most value, but does not remove it. Itcl_GetStackValue gets a value at some index within the stack. Index "0" is the first value pushed onto the stack. Itcl_GetStackSize returns the count of entries on the stack.

KEYWORDS
stack