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#include <stdio.h> #include <limits.h> #define bindump(ptr, size) ({ \ unsigned long n = (size) * CHAR_BIT; \ while ( n ) \ printf("%d", ( *(ptr) >> --n ) & 1); \ }) int main(void) { char c1 = 1, c2 = -1; int i1 = 1, i2 = -1; long l1 = 1L, l2 = -1L; unsigned long ul = 1UL; long long ll1 = 1LL, ll2 = -1LL; unsigned long long ull = 1ULL; printf("C1: "); bindump(&c1, sizeof(char)); printf("\nC2: "); bindump(&c2, sizeof(char)); printf("\nI1: "); bindump(&i1, sizeof(int)); printf("\nI2: "); bindump(&i2, sizeof(int)); printf("\nL1: "); bindump(&l1, sizeof(long)); printf("\nL2: "); bindump(&l2, sizeof(long)); printf("\nUL: "); bindump(&ul, sizeof(long)); printf("\nLL1: "); bindump(&ll1, sizeof(long long)); printf("\nLL2: "); bindump(&ll2, sizeof(long long)); printf("\nULL: "); bindump(&ull, sizeof(long long)); printf("\n"); return 1; }
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