Eroare de compilare: main.cpp:91:17: error: field 'sb' has incomplete type 'stat' struct stat sb; ^~ main.cpp:91:12: note: forward declaration of 'struct stat' struct stat sb; ^~~~ main.cpp: In constructor 'parser::parser(const char*)': main.cpp:63:34: error: 'O_RDONLY' was not declared in this scope int fd = open(file_name, O_RDONLY); ^~~~~~~~ main.cpp:63:42: error: 'open' was not declared in this scope int fd = open(file_name, O_RDONLY); ^ main.cpp:65:22: error: 'fstat' was not declared in this scope fstat(fd, &sb); ^ main.cpp:66:45: 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:66:56: 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:66:70: 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:66:90: 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:67:17: error: 'close' was not declared in this scope close(fd); ^ main.cpp: In destructor 'parser::~parser()': main.cpp:87:34: error: 'munmap' was not declared in this scope munmap(buffer, sb.st_size); ^ main.cpp: At global scope: main.cpp:133:5: error: 'fstream' does not name a type fstream output_file; ^~~~~~~ main.cpp: In constructor 'writer::writer(const char*)': main.cpp:103:9: error: 'output_file' was not declared in this scope output_file.open(file_name, ios::out | ios::binary); ^~~~~~~~~~~ main.cpp:103:37: error: 'ios' has not been declared output_file.open(file_name, ios::out | ios::binary); ^~~ main.cpp:103:48: error: 'ios' has not been declared output_file.open(file_name, ios::out | ios::binary); ^~~ main.cpp: In destructor 'writer::~writer()': Non zero exit status: 1