#include <u.h>#include <libc.h>main(void){	int f=open("S.swab", ORDWR);	short int n=438;	seek(f, 0x6a0a, 0);	write(f, &n, 2);	seek(f, 0x6a0e, 0);	write(f, &n, 2);	n=246;	seek(f, 0x785e, 0);	write(f, &n, 2);	seek(f, 0x7862, 0);	write(f, &n, 2);}