#include <stdio.h>
#include <conio.h>
main()
{
FILE *fp;
if((fp=fopen("hello.c", "w"))==NULL) { printf("File error!\n"); exit(0);}
fprintf(fp, "#include <stdio.h>\nmain()\n{printf(\"Hello, World!\\n\");\n}\n");
fclose(fp);
system("CL hello.c");
system("LINK hello");
system("Hello");
}