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- #ifndef _SYSCALL_H
- #define _SYSCALL_H
-
- #include <features.h>
- #include <sys/syscall.h>
- #include <errno.h>
-
- #ifndef __MAX_ERRNO
- #define __MAX_ERRNO 4096
- #endif
-
- /* In case of returning a memory address, negative values may
- * not mean error.
- */
- #ifdef __CHECK_RETURN_ADDR
- #define __check_errno(__res) \
- ((__res) >= 0 || (__res) < -__MAX_ERRNO)
- #else
- #define __check_errno(__res) ((__res) >= 0)
- #endif
-
- __BEGIN_DECLS
-
- extern int syscall __P ((int __number, ...));
-
- __END_DECLS
-
- #if defined(__i386__)
- # include <i386/syscall.h>
- #elif defined (__mc68000__)
- # include <m68k/syscall.h>
- #else
- # error architecture not supported by Linux C library
- #endif
-
- #endif
-