Eroare de compilare: user.cpp: In function ‘int dir(int)’: user.cpp:17:40: error: ‘comma’ was not declared in this scope if(isupper(t)&&isalpha(t)&&!comma(i)&&!bracket(i))return 1; ^ user.cpp:17:53: error: ‘bracket’ was not declared in this scope if(isupper(t)&&isalpha(t)&&!comma(i)&&!bracket(i))return 1; ^ user.cpp: In function ‘int main()’: user.cpp:48:9: warning: unused variable ‘n’ [-Wunused-variable] int n=strlen(s)-1; ^ user.cpp: In function ‘int dir(int)’: user.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:45:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dir.in","r",stdin); ^ user.cpp:46:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dir.out","w",stdout); ^ user.cpp:47:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^