Eroare de compilare: main.cpp:41:17: error: field 'sb' has incomplete type 'stat' struct stat sb; ^~ main.cpp:41:12: note: forward declaration of 'struct stat' struct stat sb; ^~~~ main.cpp: In constructor 'parser::parser(const char*)': main.cpp:13:34: error: 'O_RDONLY' was not declared in this scope int fd = open(file_name, O_RDONLY); ^~~~~~~~ main.cpp:13:42: error: 'open' was not declared in this scope int fd = open(file_name, O_RDONLY); ^ main.cpp:15:22: error: 'fstat' was not declared in this scope fstat(fd, &sb); ^ main.cpp:16:45: error: 'PROT_READ' was not declared in this scope buffer = (char*)mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE | MAP_NORESERVE, fd, 0); ^~~~~~~~~ main.cpp:16:56: error: 'MAP_PRIVATE' was not declared in this scope buffer = (char*)mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE | MAP_NORESERVE, fd, 0); ^~~~~~~~~~~ main.cpp:16:70: error: 'MAP_NORESERVE' was not declared in this scope buffer = (char*)mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE | MAP_NORESERVE, fd, 0); ^~~~~~~~~~~~~ main.cpp:16:90: error: 'mmap' was not declared in this scope buffer = (char*)mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE | MAP_NORESERVE, fd, 0); ^ main.cpp:17:17: error: 'close' was not declared in this scope close(fd); ^ main.cpp: In destructor 'parser::~parser()': main.cpp:37:34: error: 'munmap' was not declared in this scope munmap(buffer, sb.st_size); ^ main.cpp: In member function 'void heap<_elem, is_less_than>::run_diagnostic()': main.cpp:154:13: error: 'cout' is not a member of 'std' std::cout << storage[i] << " "; ^~~ main.cpp:155:9: error: 'cout' is not a member of 'std' std::cout << std::endl; ^~~ main.cpp: In instantiation of 'void heap<_elem, is_less_than>::sift_up(unsigned int) [with _elem = integer; is_less_than = integer::do_compare]': main.cpp:111:16: required from 'void heap<_elem, is_less_than>::add(_elem) [with _elem = integer; is_less_than = integer::do_compare]' main.cpp:256:27: required from here main.cpp:172:26: error: no match for 'operator!=' (operand types are 'integer' and 'integer') if (storage[pos] != aux) ~~~~~~~~~~~~~^~~~~~ In file included from /usr/include/c++/6/iosfwd:40:0, from /usr/include/c++/6/ios:38, Non zero exit status: 1