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#include <nonstd/syscall.h>
#define SYSCALL(_name, _type, ...)
static int _scno = -2; \
if (_scno == -2) { _scno = ((syscall_lookup_t)__libc(SYSCALL_LOOKUP))(_name); } \
_type _ret = __syscall(_scno, __VA_ARGS__); \
if (_ret < 0) { \
errno = -_ret; \
return -1; \
} \
return _ret
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