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#ifndef _SYS_CDEFS_H
#include <misc/sys/cdefs.h>
#ifndef _ISOMAC
/* The compiler will optimize based on the knowledge the parameter is
not NULL. This will omit tests. A robust implementation cannot allow
this so when compiling glibc itself we ignore this attribute. */
# undef __nonnull
# define __nonnull(params)
extern void __chk_fail (void) __attribute__ ((__noreturn__));
libc_hidden_proto (__chk_fail)
rtld_hidden_proto (__chk_fail)
# if __GNUC_PREREQ (4,3)
# define __attribute_alloc_size(...) __attribute__ ((alloc_size (__VA_ARGS__)))
# else
# define __attribute_alloc_size(...)
# endif
#endif
#endif
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