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#include <stdarg.h>
typedef struct{double x,y;}point;
point pts[]={{1.0,2.0},{3.0,4.0},{5.0,6.0},{7.0,8.0}};
static int va1(int nargs,...)
{
va_list args;
int i;
point pi;
va_start(args,nargs);
for(i=0;i<nargs;i++){
pi=va_arg(args,point);
if(pts[i].x!=pi.x||pts[i].y!=pi.y)abort();
}
va_end(args);
}
typedef struct{int x,y;}ipoint;
ipoint ipts[]={{1,2},{3,4},{5,6},{7,8}};
static int va2(int nargs,...)
{
va_list args;
int i;
ipoint pi;
va_start(args,nargs);
for(i=0;i<nargs;i++){
pi=va_arg(args,ipoint);
if(ipts[i].x!=pi.x||ipts[i].y!=pi.y)abort();
}
va_end(args);
}
main()
{
va1(4,pts[0],pts[1],pts[2],pts[3]);
va2(4,ipts[0],ipts[1],ipts[2],ipts[3]);
exit(0);
}
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