#include <stdio.h>
#include <string.h>
struct _B {
char a[8];
char b[16];
} typedef B;
int main(void) {
B st;
memset(st.
b, 1, sizeof(st.
b)); int len
= snprintf(st.
a, sizeof(st.
a), "%s", st.
b); st.a[len - 1] = '\0';
for (int i = 0; i < sizeof(st.a); i++) {
}
for (int i = 0; i < sizeof(st.b); i++) {
}
return 0;
}
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