Provide the definition for each of the following structures and unions: a) structure inventory containing character array partname[ 30 ], integer partnumber, floating point price, integer stock and integer reorder. b) union data containing char c, short s, long b, float f and double d. c) a structure called address that contains character arrays streetaddress[ 25 ], city[ 20 ], state[ 3 ] and zipcode[ 6 ].d) structure student that contains arrays firstname[ 15 ] and lastname[ 15 ] and variable homeaddress of type struct address from part (c).e) structure test containing 16 bit fields with widths of 1 bit. the names of the bit fields are the letters a to p.