Compilare: user.cpp:11: warning: non-local variable ‘<anonymous struct> c [63500]’ uses anonymous type user.cpp:11: warning: non-local variable ‘<anonymous struct> x’ uses anonymous type user.cpp:11: warning: non-local variable ‘<anonymous struct> y’ uses anonymous type user.cpp: In function ‘int main()’: user.cpp:20: warning: format ‘%c’ expects type ‘char*’, but argument 3 has type ‘int*’ user.cpp:25: warning: format ‘%c’ expects type ‘char*’, but argument 3 has type ‘int*’ user.cpp:19: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result