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main.c

#include <stdio.h> long signedl(unsigned long u) { if(u & 0x40000000UL) return -((~u & 0xffffffffUL) + 1UL); else return (long)u; } int main() { unsigned long u = 0xFFFFFFFE; // -2 printf("\n%li\n", signedl(u)); return 0; }

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