Исполняется ли приложение в консоли? (std::cin)

#include <stdio.h>
#include <assert.h>
#include <unistd.h>
 
int main() {
    FILE* file = fopen("stdout.txt", "w");
    assert(file);
 
    int eof = isatty(fileno(stdin));
    fprintf(file, "%d\n", eof);
 
    fclose(file);
}

seq_printf(m, "%d (%s) %c %d %d %d %d %d %u %lu \
%lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \
%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld\n",
        pid_nr_ns(pid, ns),
        tcomm,
        state,
        ppid,
        pgid,
        sid,
        [B]tty_nr,[/B]
        tty_pgrp,
        task->flags,
        min_flt,
        cmin_flt,
        maj_flt,
        cmaj_flt,
        cputime_to_clock_t(utime),
        cputime_to_clock_t(stime),
        cputime_to_clock_t(cutime),
        cputime_to_clock_t(cstime),
        priority,
        nice,
        num_threads,
        start_time,
        vsize,
        mm ? get_mm_rss(mm) : 0,
        rsslim,
        mm ? (permitted ? mm->start_code : 1) : 0,
        mm ? (permitted ? mm->end_code : 1) : 0,
        (permitted && mm) ? mm->start_stack : 0,
        esp,
        eip,
        /* The signal information here is obsolete.
         * It must be decimal for Linux 2.0 compatibility.
         * Use /proc/#/status for real-time signals.
         */
        task->pending.signal.sig[0] & 0x7fffffffUL,
        task->blocked.sig[0] & 0x7fffffffUL,
        sigign      .sig[0] & 0x7fffffffUL,
        sigcatch    .sig[0] & 0x7fffffffUL,
        wchan,
        0UL,
        0UL,
        task->exit_signal,
        task_cpu(task),
        task->rt_priority,
        task->policy,
        (unsigned long long)delayacct_blkio_ticks(task),
        cputime_to_clock_t(gtime),
        cputime_to_clock_t(cgtime));