Write yourself a swap function to exchange any two values of the same element to determine the size of the null pointer using byte (i)

1#include <stdio.h>2 structpoint{3     intx;4     Doubley;5Point (intx =0,Doubley =0): X (x), Y (y) {}6     voidprint () {7printf"(%d,%LF)", x, y);8     }9 };Ten voidSwap (Char*a,Char*B, size_t width) { One     Chartmp; A      while(width--){ -TMP = *A; -*a++ = *b; the*b++ =tmp; -     } - } - //width is the byte size of the exchange of two elements, with sizeof to find out + voidMyswap (void*x,void*y, size_t width) { -Swap ((Char*) x, (Char*) y, width); + } A intMain () { at     intINTA =1, INTB =2; -printf"before exchange:inta=%d\tintb=%d\n", Inta, INTB); -     //exchanging values for shaping inta and INTB -Myswap (&inta, &AMP;INTB,sizeof(int)); -printf"After exchagge:inta=%d\tintb=%d\n", Inta, INTB); -  in     CharChara ='a', Charb ='A'; -printf"before exchange:chara=%c\tcharb=%c\n", Chara, Charb); to     //Exchange character Chara and character Charb values +Myswap (&chara, &charb,sizeof(Char)); -printf"After exchagge:chara=%c\tcharb=%c\n", Chara, Charb); the  *Point Pointa (1,1.1), POINTB (3,3.3); $printf"before Exchange:pointa="); Pointa.print (); Panax Notoginsengprintf"\tpointb="); Pointb.print (); printf"\ n"); -     //exchanging values for struct Pointa and POINTB theMyswap (&pointa, &AMP;POINTB,sizeof(point)); +printf"before Exchange:pointa="); Pointa.print ();  Aprintf"\tpointb="); Pointb.print (); printf"\ n"); the     return 0; +}

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Write yourself a swap function to exchange any two values of the same element to determine the size of the null pointer using byte (i)