Definition of "ptr" [ptr]

• Pointer (abbreviation)

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• "In Pascal, we can create a pointer variable ptr that will point to cells of a given type, say celltype, by the declaration var ptr: ↑ celltype A postfix up-arrow is used in Pascal as the dereferencing operator, so the expression ptr↑ denotes the value (of type celltype) in the cell pointed to by ptr."
• "Set24: push ds ax xor ax, ax mov ds, ax mov ax, offset Int24 xchg ax, word ptr ds: [24*4] mov word ptr cs: [Old24], ax; set up critical error handler mov ax, cs xchg ax, word ptr ds: [24*4+2] mov word ptr cs: [Old24+2], ax pop ax ds ret db 0e9"
• "BaseThreadStart+0x46 : 448 77e8757e ff15b012e877 call dword ptr KERNEL32!"