The variable x
stands for the
written or read value.
%f
):%i
):x=VAL
VAL=x
Using unsigned formats with values ≥ 0x800000 gives different results
on 64 bit machines.
%{
):x=VAL
VAL=x
%s
):
During initialization, the @init
handler is executed, if
present. All format converters work like in normal operation.