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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#define REG_OLDMASK 21
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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typedef long long greg_t, gregset_t[23];
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typedef struct _fpstate {
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unsigned short cwd, swd, ftw, fop;
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unsigned long long rip, rdp;
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unsigned mxcsr, mxcr_mask;
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unsigned short significand[4], exponent, padding[3];
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unsigned long long r8, r9, r10, r11, r12, r13, r14, r15;
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unsigned long long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
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unsigned short cs, gs, fs, __pad0;
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unsigned long long err, trapno, oldmask, cr2;
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struct _fpstate *fpstate;
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unsigned long long __reserved1[8];
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unsigned long long __reserved1[8];
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unsigned long long __space[32];
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typedef struct __ucontext {
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unsigned long uc_flags;
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struct __ucontext *uc_link;
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mcontext_t uc_mcontext;
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unsigned long long __fpregs_mem[64];
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#define SA_NOCLDSTOP 1
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#define SA_NOCLDWAIT 2
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#define SA_RESTORER 0x04000000
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#define SIGIOT SIGABRT
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#define SIGUNUSED SIGSYS