dup2.c

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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/io.h>
 
#include "common/print.h"
#include "user/common/syscalls.h"
 
fd_t dup2(fd_t oldFd, fd_t newFd)
{
    uint64_t result = _syscall_dup2(oldFd, newFd);
    if (result == ERR)
    {
        errno = _syscall_errno();
    }
    return result;
}