Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:38:27: error: invalid conversion from ‘char’ to ‘char*’ [-fpermissive] op0(line[2]); ^ user.cpp:16:13: error: initializing argument 1 of ‘void op0(char*)’ [-fpermissive] inline void op0(char word[20]) ^ user.cpp:41:28: error: ‘op1’ was not declared in this scope op1(line[2]); ^ user.cpp:44:28: error: ‘op2’ was not declared in this scope op2(line[2]); ^ user.cpp:47:28: error: ‘op3’ was not declared in this scope op3(line[2]); ^ user.cpp:28:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(FIN, "r", stdin); ^ user.cpp:29:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(FOUT, "w", stdout); ^ user.cpp:31:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(line, 32, stdin); ^ user.cpp:51:31: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(line, 32, stdin); ^