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Reference for unit 'sysutils' (#rtl)

CompareMem

Compare two memory areas.

Declaration

Source position: sysstrh.inc line 84

function CompareMem(

P1: Pointer;

P2: Pointer;

Length: Cardinal

):Boolean;

CompareMem compares, byte by byte, 2 memory areas pointed to by P1 and P2, for a length of L bytes.

It returns the following values:

<0: if at some position the byte at P1 is less than the byte at the same postion at P2.
0: if all L bytes are the same.
>0: if at some position the byte at P1 is greater than the byte at the same postion at P2.