MySQL  8.0.22
Source Code Documentation
node_no.h
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22 
23 #ifndef NODE_NO_H
24 #define NODE_NO_H
25 
26 #define ull_void ~((synode_cnt)0)
27 #define ul_void ~((u_long)0)
28 #define u_void ~((u_int)0)
29 
30 /*
31  Node numbers are usually very small. A real node_no value should never close
32  to the maximun value of uint32_t. So VOID_NODE_NO is defined as the maximun
33  value of uint32_t.
34 */
35 #define VOID_NODE_NO (~((node_no)0))
36 
37 #endif