cai1.cpp:5: `int yn' redeclared as different kind of symbol /usr/include/bits/mathcalls.h:243: previous declaration of `double yn(int, double)' cai1.cpp:10: parse error before `int' cai1.cpp: In function `int main()': cai1.cpp:21: `struct coord' has no member named `y' cai1.cpp:23: `vx' undeclared (first use this function) cai1.cpp:23: (Each undeclared identifier is reported only once for each function it appears in.) cai1.cpp:23: parse error before `]' token cai1.cpp: At global scope: cai1.cpp:24: ISO C++ forbids declaration of `vy' with no type cai1.cpp:26: parse error before `for' cai1.cpp:26: syntax error before `<=' token cai1.cpp:26: syntax error before `++' token cai1.cpp:27: ISO C++ forbids declaration of `py' with no type cai1.cpp:28: parse error before `if' cai1.cpp:29: syntax error before `.' token cai1.cpp:29: syntax error before `++' token cai1.cpp:32: syntax error before `<=' token cai1.cpp:32: syntax error before `++' token