#include <stdio.h> #if defined(_WIN32)#include <fcntl.h>#endif /* Define architecture */#if defined(__i386__) || defined _M_IX86# define TRIPLET_ARCH "i386"#elif defined(__x86_64__) || defined _M_AMD64# define TRIPLET_ARCH "x86_64"#elif defined(__arm__)# define TRIPLET_ARCH "arm"#elif defined(__aarch64__)# define TRIPLET_ARCH "aarch64"#elif defined(__riscv) && defined(__LP64__)# define TRIPLET_ARCH "riscv64"#else# define TRIPLET_ARCH "unknown"#endif /* Define OS */#if defined (__linux__)# define TRIPLET_OS "linux"#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)# define TRIPLET_OS "kfreebsd"#elif defined(_WIN32)# define TRIPLET_OS "win32"#elif defined(__APPLE__)# define TRIPLET_OS "darwin"#elif !defined (__GNU__)# define TRIPLET_OS "unknown"#endif /* Define calling convention and ABI */#if defined (__ARM_EABI__)# if defined (__ARM_PCS_VFP)#  define TRIPLET_ABI "gnueabihf"# else#  define TRIPLET_ABI "gnueabi"# endif#else# define TRIPLET_ABI "gnu"#endif #if defined _WIN32# define TRIPLET TRIPLET_ARCH "-" TRIPLET_OS#elif defined __GNU__# define TRIPLET TRIPLET_ARCH "-" TRIPLET_ABI#else# define TRIPLET TRIPLET_ARCH "-" TRIPLET_OS "-" TRIPLET_ABI#endif #if defined(_WIN32)int _CRT_glob = 0;#endif int main(int argc, char *argv[]){#if defined(_WIN32)    _setmode(_fileno(stdout), _O_BINARY);  /* don't translate \n to \r\n */#endif    switch(argc == 2 ? argv[1][0] : 0) {        case 'b'://igendian        {            volatile unsigned foo = 0x01234567;            puts(*(unsigned char*)&foo == 0x67 ? "no" : "yes");            break;        }#if defined(__clang__)        case 'm'://inor            printf("%d\n", __clang_minor__);            break;        case 'v'://ersion            printf("%d\n", __clang_major__);            break;#elif defined(__TINYC__)        case 'v'://ersion            puts("0");            break;        case 'm'://inor            printf("%d\n", __TINYC__);            break;#elif defined(_MSC_VER)        case 'v'://ersion            puts("0");            break;        case 'm'://inor            printf("%d\n", _MSC_VER);            break;#elif defined(__GNUC__) && defined(__GNUC_MINOR__)        /* GNU comes last as other compilers may add 'GNU' compatibility */        case 'm'://inor            printf("%d\n", __GNUC_MINOR__);            break;        case 'v'://ersion            printf("%d\n", __GNUC__);            break;#else        case 'm'://inor        case 'v'://ersion            puts("0");            break;#endif        case 't'://riplet            puts(TRIPLET);            break;        case 'c'://ompiler#if defined(__clang__)            puts("clang");#elif defined(__TINYC__)            puts("tcc");#elif defined(_MSC_VER)            puts("msvc");#elif defined(__GNUC__)            puts("gcc");#else            puts("unknown");#endif            break;        default:            break;    }    return 0;}