Add util_startswith to util_str to check if a string starts with the
given prefix and returns a pointer to the rest of the string,
or NULL if it does not.
Signed-off-by: Wisdom Erhimwionsobo <werh29@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>