0_0_4921690_4020.cpp: In function `void read()':
0_0_4921690_4020.cpp:103: error: `val' undeclared (first use this function)
0_0_4921690_4020.cpp:103: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4921690_4020.cpp: In function `void doit()':
0_0_4921690_4020.cpp:118: error: `val' undeclared (first use this function)
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