Re: [9fans] /sys/src/libdraw/arith.c:163

[Richard Miller]

> Hm. So kencc knows about it, but it seems an undocumented feature.

Documented here:

/sys/doc/comp.ms:1256,1266

> How do I express it to suit GCC given that I don't know what it does?

Just replace SET(x) with x = 0;