multiplu1.cpp: In function `int desc(int)': multiplu1.cpp:4: `d' undeclared (first use this function) multiplu1.cpp:4: (Each undeclared identifier is reported only once for each function it appears in.) multiplu1.cpp: In function `int main()': multiplu1.cpp:25: `i' undeclared (first use this function) multiplu1.cpp:27: `r' undeclared (first use this function)