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#include <stdarg.h>
#include <stdio.h>
double average(int count, )
{
va_list ap;
int j;
double sum = 0;
va_start(ap, count); /* Requires the last fixed parameter (to get the address) */
for (j = 0; j < count; j++) {
sum += va_arg(ap, int); /* Increments ap to the next argument. */
}
va_end(ap);
return sum / count;
}
int main(int argc, char const *argv[])
{
printf("%f\n", average(3, 1, 2, 3) );
return 0;
}
CCopy
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#include <stdarg.h>
#include <stdio.h>
int
add_em_up (int count, )
{
va_list ap;
int i, sum;
va_start (ap, count); /* Initialize the argument list. */
sum = 0;
for (i = 0; i < count; i++)
sum += va_arg (ap, int); /* Get the next argument value. */
va_end (ap); /* Clean up. */
return sum;
}
int
main (void)
{
/* This call prints 16. */
printf ("%d\n", add_em_up (3, 5, 5, 6));
/* This call prints 55. */
printf ("%d\n", add_em_up (10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
return 0;
}
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func add(args int) int {
total := 0
for _, v := range args {
total += v
}
return total
}
func main() {
fmt.Println(add(1,2,3))
}