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could also be "4" or 4! 4 seems like it would be the most evil option, honestly

pjc50 2 days ago | parent | next [-]

The real evil option is C: 2+"22" = 0, 4+"4" = undefined behavior and probably the value of some other variable.

	▲	sehansen 2 days ago \| parent \| next [-]
		The real horror is "1d9" + 1 = 2, as does PHP: https://3v4l.org/Dn6Sm
	▲	manwe150 2 days ago \| parent \| prev [-]
		I think you meant: "22"+2 = "", and it is not UB to make the second pointer, only to use it

baq a day ago | parent | prev [-]

or the most sane, depending on context... e.g. awk and perl do this.