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1.1 root 1: #define TR_NAME 17 /* 1 + max ioctl message size */
2:
3: struct trc {
4: char tr_name[TR_NAME];
5: /* user supplied name for trace messages */
6: short tr_state; /* internal state */
7: int tr_mask; /* block type trace mask */
8: };
9:
10:
11: /*
12: * values for tr_state field:
13: */
14:
15: #define TR_USE 1 /* trc structure in use */
16:
17:
18: /*
19: * Ioctl message format.
20: */
21:
22: struct trcioc {
23: int command;
24:
25: union {
26: int mask;
27: char name[16];
28: } arg;
29: };
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