Eroare de compilare: user.cpp:1: warning: ignoring #pragma option user.cpp:3:17: dos.h: No such file or directory user.cpp:12: error: ISO C++ forbids defining types within return type user.cpp:12: error: syntax error before `,' token user.cpp:16: error: parse error before `*' token user.cpp: In function `void sift(...)': user.cpp:20: error: `i' undeclared (first use this function) user.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.) user.cpp:21: error: `w' undeclared (first use this function) user.cpp:21: error: `hp' undeclared (first use this function) user.cpp: At global scope: user.cpp:41: error: parse error before `*' token user.cpp: In function `void init(...)': user.cpp:49: error: `a' undeclared (first use this function) user.cpp:43: warning: unused variable `int j' user.cpp:44: warning: unused variable `long int v1' user.cpp:44: warning: unused variable `long int v2' user.cpp: At global scope: user.cpp:55: error: parse error before `*' token user.cpp: In function `int main()': user.cpp:86: error: `w1' undeclared (first use this function) user.cpp:87: error: `w2' undeclared (first use this function)