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+=======================
+Miscellaneous functions
+=======================
+
+.. code-block:: c
+
+	#include <libHX/misc.h>
+
+	int HX_ffs(unsigned long z);
+	int HX_fls(unsigned long z);
+
+	void HX_zvecfree(char **);
+	unsigned int HX_zveclen(const char *const *);
+
+``HX_ffs``
+	Finds the first (lowest-significant) bit in a value and returns its
+	position, or ``-1`` to indicate failure.
+
+``HX_fls``
+	Finds the last (most-significant) bit in a value and returns its
+	position, or ``-1`` to indicate failure.
+
+``HX_zvecfree``
+	Frees the supplied Z-vector array. (Frees all array elements from the
+	first element to (excluding) the first ``NULL`` element.)
+
+``HX_zveclen``
+	Counts the number of array elements until the first ``NULL`` array
+	element is seen, and returns this number.
+
+.. code-block:: c
+
+	#include <libHX/io.h>
+	void HX_hexdump(FILE *fp, const void *ptr, unsigned int len);
+
+``HX_hexdump``
+	Outputs a nice pretty-printed hex and ASCII dump to the filedescriptor
+	``fp``. ``ptr`` is the memory area, of which ``len`` bytes will be
+	dumped.