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-rw-r--r--src/emu/dipty.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/emu/dipty.cpp b/src/emu/dipty.cpp
index 97533eae976..bd1a166322f 100644
--- a/src/emu/dipty.cpp
+++ b/src/emu/dipty.cpp
@@ -13,7 +13,7 @@
device_pty_interface::device_pty_interface(const machine_config &mconfig, device_t &device)
: device_interface(device, "pty"),
- m_pty_master(NULL),
+ m_pty_master(nullptr),
m_slave_name(),
m_opened(false)
{
@@ -33,7 +33,7 @@ bool device_pty_interface::open(void)
m_slave_name.assign(buffer);
} else {
m_opened = false;
- m_pty_master = NULL;
+ m_pty_master = nullptr;
}
}