Compilare: user.cpp:13: warning: non-local variable ‘<anonymous struct> c [10001]’ uses anonymous type user.cpp:13: warning: non-local variable ‘<anonymous struct> x’ uses anonymous type user.cpp:13: warning: non-local variable ‘<anonymous struct> y’ uses anonymous type user.cpp:13: warning: non-local variable ‘<anonymous struct> vp [199]’ uses anonymous type user.cpp: In function ‘int main()’: user.cpp:52: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result