<cstdlib>

#include <stdlib.h>

namespace std {
using ::size_t; using ::div_t; using ::ldiv_t;
using ::abort; using ::abs; using ::atexit;
using ::atof; using ::atoi; using ::atol;
using ::bsearch; using ::calloc; using ::div;
using ::exit; using ::free; using ::getenv;
using ::labs; using ::ldiv; using ::malloc;
using ::mblen; using ::mbstowcs; using ::mbtowc;
using ::qsort; using ::rand; using ::realloc;
using ::srand; using ::strtod; using ::strtol;
using ::strtoul; using ::system;
using ::wcstombs; using ::wctomb;
#if __IBMCPP_TR1__
namespace tr1 {
using ::lldiv_t; using ::llabs; using ::lldiv;
using ::atoll; using ::strtoll; using ::strtoull;
using ::strtof; using ::strtold;
}
#endif
}