Topic Path: Symbol Reference > Functions > PosBytes Function
PosBytes Function

Indicates the position where bytes values appear in the source byte values.

function PosBytes(
    const SubBytes: TIdBytes; 
    const SBytes: TIdBytes
): integer;
Byte value to locate.
Byte values to be searched. 

Integer - Position of SubBytes in the SBytes byte values.

PosBytes is an Integer function used to indicates the position where bytes values in SubBytes appear in the source byte values indicated in SBytes. 

The return value for the function is the offset position where SubBytes appears in SBytes and begins with the value 0 (zero). The return value will contain -1 if SubBytes cannot be located in the SBytes byte values. 

PosBytes uses SameArray in its implementation to perform comparision of the byte values in SubBytes and SBytes.

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