+
−/*
+
− * External function definitions
+
− * for routines described in string(3).
+
− */
+
−char	*strcat();
+
−char	*strncat();
+
−int	strcmp();
+
−int	strncmp();
+
−int	strcasecmp();
+
−int	strncasecmp();
+
−char	*strcpy();
+
−char	*strncpy();
+
−int	strlen();
+
−char	*index();
+
−char	*rindex();