Eroare de compilare: user.cpp:25: error: 'std::pair<double, double> read [3010]' redeclared as different kind of symbol /usr/include/unistd.h:327: error: previous declaration of 'ssize_t read(int, void*, size_t)' user.cpp: In function 'int main()': user.cpp:79: error: pointer to a function used in arithmetic user.cpp:79: error: request for member 'first' in '*(((ssize_t (*)(int, void*, size_t))((unsigned int)i)) + read)', which is of non-class type 'ssize_t ()(int, void*, size_t)' user.cpp:79: error: pointer to a function used in arithmetic user.cpp:79: error: request for member 'second' in '*(((ssize_t (*)(int, void*, size_t))((unsigned int)i)) + read)', which is of non-class type 'ssize_t ()(int, void*, size_t)' user.cpp:81: error: pointer to a function used in arithmetic user.cpp:81: error: no match for 'operator=' in 'point = *(read + 1u)' /usr/include/c++/4.2/bits/stl_pair.h:69: note: candidates are: std::pair<double, double>& std::pair<double, double>::operator=(const std::pair<double, double>&) user.cpp:83: error: pointer to a function used in arithmetic user.cpp:83: error: no match for 'operator<' in '*(((ssize_t (*)(int, void*, size_t))((unsigned int)i)) + read) < point' user.cpp:84: error: pointer to a function used in arithmetic user.cpp:84: error: no match for 'operator=' in 'point = *(((ssize_t (*)(int, void*, size_t))((unsigned int)i)) + read)' /usr/include/c++/4.2/bits/stl_pair.h:69: note: candidates are: std::pair<double, double>& std::pair<double, double>::operator=(const std::pair<double, double>&) user.cpp:86: error: pointer to a function used in arithmetic user.cpp:86: error: pointer to a function used in arithmetic user.cpp:86: error: pointer to a function used in arithmetic user.cpp:93: error: pointer to a function used in arithmetic user.cpp:93: error: pointer to a function used in arithmetic user.cpp:93: error: pointer to a function used in arithmetic user.cpp:93: error: conversion from 'ssize_t (*)(int, void*, size_t)' to non-scalar type 'std::pair<double, double>' requested user.cpp:99: error: pointer to a function used in arithmetic user.cpp:99: error: pointer to a function used in arithmetic user.cpp:99: error: pointer to a function used in arithmetic user.cpp:99: error: conversion from 'ssize_t (*)(int, void*, size_t)' to non-scalar type 'std::pair<double, double>' requested user.cpp:104: error: pointer to a function used in arithmetic user.cpp:104: error: no match for 'operator=' in 'P[i] = *(((ssize_t (*)(int, void*, size_t))((unsigned int)st[i])) + read)' /usr/include/c++/4.2/bits/stl_pair.h:69: note: candidates are: std::pair<double, double>& std::pair<double, double>::operator=(const std::pair<double, double>&) user.cpp:107: error: ISO C++ forbids applying 'sizeof' to an expression of function type user.cpp:107: error: invalid conversion from 'ssize_t (*)(int, void*, size_t)' to 'void*' user.cpp:107: error: initializing argument 1 of 'void* memcpy(void*, const void*, size_t)' user.cpp:111: error: pointer to a function used in arithmetic user.cpp:111: error: pointer to a function used in arithmetic user.cpp:111: error: pointer to a function used in arithmetic user.cpp:111: error: assignment of read-only location user.cpp:111: error: cannot convert 'ssize_t ()(int, void*, size_t)' to 'ssize_t ()(int, void*, size_t)' in assignment user.cpp:113: error: pointer to a function used in arithmetic user.cpp:113: error: no match for 'operator=' in 'P[((i * 2) - 1)] = *(((ssize_t (*)(int, void*, size_t))((unsigned int)i)) + read)' /usr/include/c++/4.2/bits/stl_pair.h:69: note: candidates are: std::pair<double, double>& std::pair<double, double>::operator=(const std::pair<double, double>&) user.cpp:114: error: pointer to a function used in arithmetic user.cpp:114: error: pointer to a function used in arithmetic user.cpp:114: error: pointer to a function used in arithmetic user.cpp:114: error: conversion from 'ssize_t (*)(int, void*, size_t)' to non-scalar type 'std::pair<double, double>' requested user.cpp:73: warning: unused variable 'nr' /usr/include/c++/4.2/bits/stl_algo.h: In function 'void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = ssize_t (*)(int, void*, size_t), _Compare = bool (*)(std::pair<double, double>, std::pair<double, double>)]': user.cpp:86: instantiated from here /usr/include/c++/4.2/bits/stl_algo.h:2866: error: ISO C++ forbids using pointer to a function in subtraction /usr/include/c++/4.2/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = ssize_t (*)(int, void*, size_t), _Size = int, _Compare = bool (*)(std::pair<double, double>, std::pair<double, double>)]': /usr/include/c++/4.2/bits/stl_algo.h:2866: instantiated from 'void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = ssize_t (*)(int, void*, size_t), _Compare = bool (*)(std::pair<double, double>, std::pair<double, double>)]'