190 	const char *estr;  in zperror()  local
192 	if ((estr = strerror(errno)) != NULL)  in zperror()
193 		(void) fprintf(stderr, "%s: %s: %s\n", pname, str, estr);  in zperror()
1186 	char **new_env, *estr;  in prep_env()  local
1204 	if ((estr = add_env("PATH", DEF_PATH)) == NULL)  in prep_env()
1206 	new_env[e++] = estr;  in prep_env()
1209 		if ((estr = add_env("TERM", term)) == NULL)  in prep_env()
1211 		new_env[e++] = estr;  in prep_env()
1215 		if ((estr = add_env("HOME", "/")) == NULL)  in prep_env()
1217 		new_env[e++] = estr;  in prep_env()
1219 		if ((estr = add_env("SHELL", FAILSAFESHELL)) == NULL)  in prep_env()
1221 		new_env[e++] = estr;  in prep_env()
1246 	char *estr;  in prep_env_noninteractive()  local
1296 		if ((estr = add_env("LOGNAME", pw->pw_name)) == NULL)  in prep_env_noninteractive()
1298 		new_env[e++] = estr;  in prep_env_noninteractive()
1300 		if ((estr = add_env("HOME", pw->pw_dir)) == NULL)  in prep_env_noninteractive()
1302 		new_env[e++] = estr;  in prep_env_noninteractive()
1310 		if ((estr = add_env("MAIL", varmail)) == NULL)  in prep_env_noninteractive()
1312 		new_env[e++] = estr;  in prep_env_noninteractive()
1314 		if ((estr = add_env("HOME", "/")) == NULL)  in prep_env_noninteractive()
1316 		new_env[e++] = estr;  in prep_env_noninteractive()
1320 		if ((estr = add_env("SHELL", pw->pw_shell)) == NULL)  in prep_env_noninteractive()
1322 		new_env[e++] = estr;  in prep_env_noninteractive()
1324 		if ((estr = add_env("SHELL", DEFAULTSHELL)) == NULL)  in prep_env_noninteractive()
1326 		new_env[e++] = estr;  in prep_env_noninteractive()