Index: src/amiga-library.h
==================================================================
--- src/amiga-library.h
+++ src/amiga-library.h
@@ -72,15 +72,25 @@
 	int *_Nonnull (*_Nonnull errNo)(void);
 
 	/* Needed only by ObjFW. */
 	int (*_Nonnull vsnprintf)(char *_Nonnull restrict, size_t,
 	    const char *_Nonnull restrict, va_list);
-#ifdef OF_AMIGAOS_M68K
-	/* strtod() uses sscanf() internally */
-	int (*_Nonnull vsscanf)(const char *_Nonnull restrict,
-	    const char *_Nonnull restrict, va_list);
+	float (*_Nonnull strtof)(const char *_Nonnull,
+	    char *_Nullable *_Nullable);
+	double (*_Nonnull strtod)(const char *_Nonnull,
+	    char *_Nullable *_Nullable);
+#ifdef OF_MORPHOS
+	struct tm *(*_Nonnull gmtime_r)(const time_t *_Nonnull,
+	    struct tm *_Nonnull);
+	struct tm *(*_Nonnull localtime_r)(const time_t *_Nonnull,
+	    struct tm *_Nonnull);
 #endif
+	time_t (*_Nonnull mktime)(struct tm *_Nonnull);
+	int (*_Nonnull gettimeofday)(struct timeval *_Nonnull,
+	    struct timezone *_Nullable);
+	size_t (*_Nonnull strftime)(char *_Nonnull, size_t,
+	    const char *_Nonnull, const struct tm *_Nonnull);
 	void (*_Nonnull exit)(int);
 	int (*_Nonnull atexit)(void (*_Nonnull)(void));
 	OFSignalHandler _Nullable (*_Nonnull signal)(int, OFSignalHandler _Nullable);
 	char *_Nullable (*_Nonnull setlocale)(int, const char *_Nullable);
 	int (*_Nonnull _Unwind_Backtrace)(int (*_Nonnull)(void *_Nonnull,

Index: src/amiga-library.m
==================================================================
--- src/amiga-library.m
+++ src/amiga-library.m
@@ -561,24 +561,53 @@
     va_list args)
 {
 	return libC.vsnprintf(str, size, fmt, args);
 }
 
-#ifdef OF_AMIGAOS_M68K
+float
+strtof(const char *str, char **endptr)
+{
+	return libC.strtof(str, endptr);
+}
+
+double
+strtod(const char *str, char **endptr)
+{
+	return libC.strtod(str, endptr);
+}
+
+#ifdef OF_MORPHOS
+struct tm *
+gmtime_r(const time_t *time, struct tm *tm)
+{
+	return libC.gmtime_r(time, tm);
+}
+
+struct tm *
+localtime_r(const time_t *time, struct tm *tm)
+{
+	return libC.localtime_r(time, tm);
+}
+#endif
+
 int
-sscanf(const char *restrict str, const char *restrict fmt, ...)
-{
-	int ret;
-	va_list args;
-
-	va_start(args, fmt);
-	ret = libC.vsscanf(str, fmt, args);
-	va_end(args);
-
-	return ret;
-}
-#endif
+gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+	return libC.gettimeofday(tv, tz);
+}
+
+time_t
+mktime(struct tm *tm)
+{
+	return libC.mktime(tm);
+}
+
+size_t
+strftime(char *str, size_t len, const char *fmt, const struct tm *tm)
+{
+	return libC.strftime(str, len, fmt, tm);
+}
 
 void
 exit(int status)
 {
 	libC.exit(status);

Index: src/linklib/init.m
==================================================================
--- src/linklib/init.m
+++ src/linklib/init.m
@@ -346,13 +346,19 @@
 		.__register_frame = __register_frame,
 		.__deregister_frame = __deregister_frame,
 #endif
 		.errNo = errNo,
 		.vsnprintf = vsnprintf,
-#ifdef OF_AMIGAOS_M68K
-		.vsscanf = vsscanf,
+		.strtof = strtof,
+		.strtod = strtod,
+#ifdef OF_MORPHOS
+		.gmtime_r = gmtime_r,
+		.localtime_r = localtime_r,
 #endif
+		.mktime = mktime,
+		.gettimeofday = gettimeofday,
+		.strftime = strftime,
 		.exit = exit,
 		.atexit = atexit,
 		.signal = signal,
 		.setlocale = setlocale,
 		._Unwind_Backtrace = _Unwind_Backtrace