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#include <u.h>
#include <libc.h>
#include <authsrv.h>
#define CHAR(x) *p++ = f->x
#define SHORT(x) p[0] = f->x; p[1] = f->x>>8; p += 2
#define VLONG(q) p[0] = (q); p[1] = (q)>>8; p[2] = (q)>>16; p[3] = (q)>>24; p += 4
#define LONG(x) VLONG(f->x)
#define STRING(x,n) memmove(p, f->x, n); p += n
int
convA2M(Authenticator *f, char *ap, char *key)
{
int n;
uchar *p;
p = (uchar*)ap;
CHAR(num);
STRING(chal, CHALLEN);
LONG(id);
n = p - (uchar*)ap;
if(key)
encrypt(key, ap, n);
return n;
}
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