Symbol: pr_ioctl
usr/src/lib/libdtrace/common/dt_pid.c
567
if (pr_ioctl(P, fd, DTRACEHIOC_ADDDOF, &dh, sizeof (dh)) < 0)
usr/src/lib/libproc/common/libproc.h
370
extern int pr_ioctl(struct ps_prochandle *, int, int, void *, size_t);