Compilare: user.cpp: In function ‘int32_t main()’: user.cpp:58:9: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if(fd) continue; fd=0; ^~ user.cpp:58:26: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ if(fd) continue; fd=0; ^~