View Compilation Error

70329_0_18356.cpp: In function `void q(int)':
70329_0_18356.cpp:38: error: `tm' undeclared (first use this function)
70329_0_18356.cpp:38: error: (Each undeclared identifier is reported only once for each function it appears in.)
70329_0_18356.cpp: In function `int main()':
70329_0_18356.cpp:145: error: `tm' undeclared (first use this function)