kvm_getargv2
argv = kvm_getargv2(kd, ki, termwidth);
char **kvm_getargv2(kvm_t *, const struct kinfo_proc2 *, int);
if ((pargv = kvm_getargv2(kd, kp, 0)) == NULL)
if ((argv = kvm_getargv2(kd, kp, 0)) == NULL)
argv = kvm_getargv2(kd, kp, 40);
argv = kvm_getargv2(kd, kp, (argwidth < 0) ? 0 : argwidth);