91 	char **ap;  in readcmd()  local
117 	if (*(ap = argptr) == NULL)  in readcmd()
178 		if (ap[1] == NULL) {  in readcmd()
186 		setvar(*ap, stackblock(), 0);  in readcmd()
187 		ap++;  in readcmd()
203 	setvar(*ap, stackblock(), 0);  in readcmd()
206 	while (*++ap != NULL)  in readcmd()
207 		setvar(*ap, nullstr, 0);  in readcmd()
216 	char *ap;  in umaskcmd()  local
230 	if ((ap = *argptr) == NULL) {  in umaskcmd()
266 		if (isdigit((unsigned char)*ap)) {  in umaskcmd()
269 				if (*ap >= '8' || *ap < '0')  in umaskcmd()
271 				mask = (mask << 3) + (*ap - '0');  in umaskcmd()
272 			} while (*++ap != '\0');  in umaskcmd()
275 			error("Illegal mode: %s", ap);  in umaskcmd()