ref: d0d9f930a1f4197b49f0c4334c8a3d5f09d8e108 dir: /sys/src/cmd/unix/drawterm/posix-386/getcallerpc.c/
#include "u.h" #include "libc.h" uintptr getcallerpc(void *a) { return ((uintptr*)a)[-1]; }