-time_t mktime(struct tm *);
-size_t strftime(char *, size_t, const char *, const struct tm *);
+//Begin-Libc
+#ifndef LIBC_ALIAS_MKTIME
+//End-Libc
+time_t mktime(struct tm *) __DARWIN_ALIAS(mktime);
+//Begin-Libc
+#else /* LIBC_ALIAS_MKTIME */
+time_t mktime(struct tm *) LIBC_ALIAS(mktime);
+#endif /* !LIBC_ALIAS_MKTIME */
+//End-Libc
+//Begin-Libc
+#ifndef LIBC_ALIAS_STRFTIME
+//End-Libc
+size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict) __DARWIN_ALIAS(strftime);
+//Begin-Libc
+#else /* LIBC_ALIAS_STRFTIME */
+size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict) LIBC_ALIAS(strftime);
+#endif /* !LIBC_ALIAS_STRFTIME */
+//End-Libc
+//Begin-Libc
+#ifndef LIBC_ALIAS_STRPTIME
+//End-Libc
+char *strptime(const char * __restrict, const char * __restrict, struct tm * __restrict) __DARWIN_ALIAS(strptime);
+//Begin-Libc
+#else /* LIBC_ALIAS_STRPTIME */
+char *strptime(const char * __restrict, const char * __restrict, struct tm * __restrict) LIBC_ALIAS(strptime);
+#endif /* !LIBC_ALIAS_STRPTIME */
+//End-Libc