_PATH_SYSPATH
execvP(execbase, _PATH_SYSPATH, __DECONST(char * const *, argv));
warn("exec %s for %s in %s", execbase, spec, _PATH_SYSPATH);
warn("exec %s in %s", execbase, _PATH_SYSPATH);
execvP(execname, _PATH_SYSPATH, argv);
xo_warnx("in path: %s", _PATH_SYSPATH);