#include <cstdio>
#include <cstdint>
#include <cassert>
int main() {
std::uint64_t ui;
char c;
auto ret = std::sscanf("111K", "%lu64%[B, K, M, G]", &ui, &c);
assert(ret == 2);
assert(ui == 111);
}
I tried to use sscanf
to read a uint64_t
and a char
from one string, but it only read it ui
(assertion ret == 2
fails) every time I tried this.