zsh/Src/builtin.c

430 	if (argc < bn->minargs || (argc > bn->maxargs && bn->maxargs != -1)) {
2644     else if (p->maxargs != (p->minargs ? p->minargs : -1))
2657 	printf(" %d", p->maxargs);
2788 	    int minargs = 0, maxargs = -1;
2806 		maxargs = minargs;
2810 		maxargs = (int)zstrtol(*argv, &ptr, 0);
2811 		if (maxargs < -1 ||
2812 		    (maxargs != -1 && maxargs < minargs) ||
2833 	    p->maxargs = maxargs;