Eroare de compilare: user.c: In function ‘main’: user.c:68: warning: implicit declaration of function ‘scanf_s’ user.c:107: warning: implicit declaration of function ‘printf_s’ user.c:66: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:67: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result /tmp/cc43KIgF.o: In function `main': user.c:(.text+0x21e): undefined reference to `scanf_s' user.c:(.text+0x29e): undefined reference to `scanf_s' user.c:(.text+0x426): undefined reference to `printf_s' user.c:(.text+0x452): undefined reference to `printf_s' user.c:(.text+0x4a2): undefined reference to `printf_s' collect2: ld returned 1 exit status