4.12 Date and Time -< ANSI C Rationale -> 5 Appendices                  Index 

---

4.13 Future library directions

4.13.1 Errors <errno.h>

4.13.2 Character handling <ctype.h>

4.13.3 Localization <locale.h>

4.13.4 Mathematics <math.h>

4.13.5 Signal handling <signal.h>

4.13.6 Input/output <stdio.h>

4.13.7 General utilities <stdlib.h>

4.13.8 String handling <string.h>