Eroare de compilare: user.cpp: In function ‘void adjust_buffer()’: user.cpp:25: error: ‘memmove’ was not declared in this scope user.cpp:27: error: ‘memset’ was not declared in this scope user.cpp: In function ‘void put(char*)’: user.cpp:40: error: ‘strlen’ was not declared in this scope user.cpp:54: error: ‘memset’ was not declared in this scope user.cpp:63: error: ‘memset’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:72: error: ‘memset’ was not declared in this scope user.cpp:69: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:70: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:71: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result