buffer init

Type Function : BOOL

Input PT	POINTER TO BYTE (address of the Buffer )
SIZE	UINT (size of the buffer)
INIT	BYTE (initial value)
Output	BOOL (Returns TRUE)
The function _BUFFER_INIT initializes any array of Byte with value INIT. When called, a pointer to the array and its size in bytes is passed to the function. Under CoDeSys the call reads	_BUFFER_INIT(ADR(Array), SIZEOF(Array), INIT), where array is the name of the array to be manipulated. ADR() is a standard function which identifies the pointer to the array and SIZEOF() is a standard function, which determines the size of the array. The function only returns TRUE. The array specified by the pointer is manipulated directly in memory.
	This type of processing arrays is very efficient because no additional memory is required and no surrender values must be copied.

Example:

_BUFFER_INIT(ADR(bigarray), SIZEOF(bigarray),3) initializes bigarray with 3.