unix_shell         43 libutil/is_unixy.c 	static int unix_shell = -1;
unix_shell         45 libutil/is_unixy.c 	if (unix_shell == -1) {
unix_shell         49 libutil/is_unixy.c 		unix_shell = (s == NULL) ? 0 : _is_unixy_shell(s);
unix_shell         51 libutil/is_unixy.c 		unix_shell = (s != 0);
unix_shell         54 libutil/is_unixy.c 	return unix_shell;