1#include <stdio.h>
2#include <string.h>
3
4int
5main (int argc, char *argv[])
6{
7 const char teststring[] = "<tag `word'>";
8 int retc, a, b;
9
10 retc = sscanf (teststring, "<%*s `%n%*s%n'>", &a, &b);
11
12 printf (format: "retc=%d a=%d b=%d\n", retc, a, b);
13
14 return retc == -1 && a == 6 && b == 12 ? 0 : 1;
15}
16

source code of glibc/stdio-common/scanf10.c