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The use of and its support macros va_arg, va_start, and va_end

#include <stdio.h> #include <stdarg.h> #include <string> void vsmallest(char *message, ...); int main() {  vsmallest("Print %d integers, %d %d %d",10,4,1);  return(0); } void vsmallest(char *message, ...) {  int inumber_of_percent_ds=0;  va_list type_for_ellipsis;  int ipercent_d_format = 'd';  char *pchar;  pchar=strchr(message,ipercent_d_format);     while(*++pchar != '\0') {    pchar++;    pchar=strchr(pchar,ipercent_d_format);    inumber_of_percent_ds++;  }  printf("print %d integers,",inumber_of_percent_ds);  va_start(type_for_ellipsis,message);  while(inumber_of_percent_ds--)    printf(" %d",va_arg(type_for_ellipsis,int));  va_end(type_for_ellipsis); }