pseudobil.cpp: In function `int main()': pseudobil.cpp:30: `lin' undeclared (first use this function) pseudobil.cpp:30: (Each undeclared identifier is reported only once for each function it appears in.) pseudobil.cpp:30: `col' undeclared (first use this function) pseudobil.cpp:37: `cate' undeclared (first use this function) pseudobil.cpp:39: `j' undeclared (first use this function) pseudobil.cpp:41: `q' undeclared (first use this function)