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#include <stdio.h>
#include <stdarg.h>
struct spurious
{
int anumber;
};
int first(char *buf, char *fmt, ...)
{
int pos, number;
va_list args;
int dummy;
char *bp = buf;
va_start(args, fmt);
for (pos = 0; fmt[pos]; pos++)
if (fmt[pos] == 'i')
{
number = va_arg(args, int);
sprintf(bp, "%d", number);
bp += strlen(bp);
}
else
*bp++ = fmt[pos];
va_end(args);
*bp = 0;
return dummy;
}
struct spurious second(char *buf,char *fmt, ...)
{
int pos, number;
va_list args;
struct spurious dummy;
char *bp = buf;
va_start(args, fmt);
for (pos = 0; fmt[pos]; pos++)
if (fmt[pos] == 'i')
{
number = va_arg(args, int);
sprintf(bp, "%d", number);
bp += strlen(bp);
}
else
*bp++ = fmt[pos];
va_end(args);
*bp = 0;
return dummy;
}
main()
{
char buf1[100], buf2[100];
first(buf1, "i i ", 5, 20);
second(buf2, "i i ", 5, 20);
if (strcmp ("5 20 ", buf1) || strcmp ("5 20 ", buf2))
abort();
exit(0);
}
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