55   auto *lf = reinterpret_cast<LinuxFile *>(f);  in write_func()  local
56   long ret = __llvm_libc::syscall(SYS_write, lf->get_fd(), data, size);  in write_func()
65   auto *lf = reinterpret_cast<LinuxFile *>(f);  in read_func()  local
66   long ret = __llvm_libc::syscall(SYS_read, lf->get_fd(), buf, size);  in read_func()
75   auto *lf = reinterpret_cast<LinuxFile *>(f);  in seek_func()  local
77   long ret = __llvm_libc::syscall(SYS_lseek, lf->get_fd(), offset, whence);  in seek_func()
80   long ret = __llvm_libc::syscall(SYS__lseek, lf->get_fd(), offset >> 32,  in seek_func()
94   auto *lf = reinterpret_cast<LinuxFile *>(f);  in close_func()  local
95   long ret = __llvm_libc::syscall(SYS_close, lf->get_fd());  in close_func()
104   auto *lf = reinterpret_cast<LinuxFile *>(f);  in flush_func()  local
105   long ret = __llvm_libc::syscall(SYS_fsync, lf->get_fd());  in flush_func()