• Log in

namespace std{using size_t=/* see description */;// freestandingusing div_t=/* see description */;// freestandingusing ldiv_t=/* see description */;// freestandingusing lldiv_t=/* see description */;// freestanding} #define NULL         /* see description */ // freestanding#define EXIT_FAILURE /* see description */ // freestanding#define EXIT_SUCCESS /* see description */ // freestanding#define RAND_MAX     /* see description */#define MB_CUR_MAX   /* see description */ namespace std{// Exposition-only function type aliasesextern"C"using/* c-atexit-handler */=void();// exposition onlyextern"C++"using/* atexit-handler */=void();// exposition onlyextern"C"using/* c-compare-pred */=// exposition onlyint(constvoid*,constvoid*);extern"C++"using/* compare-pred */=// exposition onlyint(constvoid*,constvoid*); // start and termination[[noreturn]]void abort()noexcept;// freestandingint atexit(/* c-atexit-handler */* func)noexcept;// freestandingint atexit(/* atexit-handler */* func)noexcept;// freestandingint at_quick_exit(/* c-atexit-handler */* func)noexcept;// freestandingint at_quick_exit(/* atexit-handler */* func)noexcept;// freestanding[[noreturn]]void exit(int status);// freestanding[[noreturn]]void _Exit(int status)noexcept;// freestanding[[noreturn]]void quick_exit(int status)noexcept;// freestanding char* getenv(constchar* name);int system(constchar* string); // C library memory allocationvoid* aligned_alloc(size_t alignment, size_t size);void* calloc(size_t nmemb, size_t size);void free(void* ptr);void* malloc(size_t size);void* realloc(void* ptr, size_t size); double atof(constchar* nptr);int atoi(constchar* nptr);longint atol(constchar* nptr);longlongint atoll(constchar* nptr);double strtod(constchar* nptr,char** endptr);float strtof(constchar* nptr,char** endptr);longdouble strtold(constchar* nptr,char** endptr);longint strtol(constchar* nptr,char** endptr,int base);longlongint strtoll(constchar* nptr,char** endptr,int base);unsignedlongint strtoul(constchar* nptr,char** endptr,int base);unsignedlonglongint strtoull(constchar* nptr,char** endptr,int base); // multibyte / wide string and character conversion functionsint mblen(constchar* s, size_t n);int mbtowc(wchar_t* pwc,constchar* s, size_t n);int wctomb(char* s,wchar_t wchar);  size_t mbstowcs(wchar_t* pwcs,constchar* s, size_t n);  size_t wcstombs(char* s,constwchar_t* pwcs, size_t n); // C standard library algorithmsvoid* bsearch(constvoid* key,constvoid* base,// freestanding                size_t nmemb, size_t size,/* c-compare-pred */* compar);void* bsearch(constvoid* key,constvoid* base,// freestanding                size_t nmemb, size_t size,/* compare-pred */* compar);void qsort(void* base, size_t nmemb, size_t size,// freestanding/* c-compare-pred */* compar);void qsort(void* base, size_t nmemb, size_t size,// freestanding/* compare-pred */* compar); // low-quality random number generationint rand();void srand(unsignedint seed); // absolute valuesconstexprint abs(int j);// freestandingconstexprlongint abs(longint j);// freestandingconstexprlonglongint abs(longlongint j);// freestandingconstexpr/* floating-point-type */    abs(/* floating-point-type */ j);// freestanding-deleted constexprlongint labs(longint j);// freestandingconstexprlonglongint llabs(longlongint j);// freestanding constexpr div_t div(int numer,int denom);// freestandingconstexpr ldiv_t div(longint numer,longint denom);// freestandingconstexpr lldiv_t div(longlongint numer,longlongint denom);// freestandingconstexpr ldiv_t ldiv(longint numer,longint denom);// freestandingconstexpr lldiv_t lldiv(longlongint numer,longlongint denom);// freestanding}