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#include <iostream>
#include <print>
#include <unistd.h>
#include <cstdlib>
#include <ctime>
#include <string>
#include <cstring>
#include <print>
using namespace std;
size_t write_simulator(const char *s, size_t len, int &err)
{
size_t rand_len = rand() % (len+1);
size_t ret = write(STDOUT_FILENO, s, rand_len);
err = errno;
return ret;
}
int main()
{
const char *s = "ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz\n0123456789";
srand(time(nullptr));
size_t pos = 0;
int err = EINTR;
while (pos < strlen(s))
{
;
size_t ret = write_simulator(s+pos, strlen(s+pos), err);
if (ret == string::npos)
if (err == EINTR) ret = 0;
else return 0;
pos += ret;
}
return 0;
}
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