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- struct xbra
- {
- long xb_magic;
- long xb_name;
- void *xb_old;
- short xb_op;
- void *xb_func;
- };
-
- #define XBRA_MAGIC 0x58425241L /* "XBRA" */
- #define JMP_OPCODE 0x4EF9
- #define JSR_OPCODE 0x4EB9
- #define IS_XBRA(X) (*((long *)X-3)==XBRA_MAGIC)
- #define XB_IS_JUMP(X) ((X->xb_op==JMP_OPCODE)||(X->xb_op==JSR_OPCODE))
- #define XBRA(X) ((struct xbra *)(((long *)X)-3))
-
-