View Compilation Error

GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/stdio.h: In function `int main()':
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/stdio.h:265: error: too many arguments to function `int getchar()'
0_0_11135794_29541.cpp:10: error: at this point in file
0_0_11135794_29541.cpp:14: error: `log' undeclared (first use this function)
0_0_11135794_29541.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)