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#include "fmt.h"
unsigned int fmt_ulonglong(char *dest,unsigned long long int i) {
register unsigned long len;
unsigned long long tmp,len2;
/* first count the number of bytes needed */
for (len=1, tmp=i; tmp>9; ++len) tmp/=10;
if (dest)
for (tmp=i, dest+=len, len2=len+1; --len2; tmp/=10)
*--dest = (tmp%10)+'0';
return len;
}