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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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v_06_08
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v6n8066a.txt
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1989-09-28
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37 lines
1: /*
2: * Listing 1:
3: *
4: * Get login ID of current user.
5: * This is a standard QNX library function.
6: */
7:
8: #include <stdio.h> /* Standard FILE definitions */
9: #include <systids.h> /* Kernel task ID's */
10: #include <task_msgs.h> /* Kernel message structures */
11:
12: extern char Team_num; /* Accounting group number */
13:
14: char *cuserid( ustr )
15: char *ustr;
16: {
17: struct ta_account tsk_msg;
18: static char userid[17];
19:
20: /* Message for TASK_ADMIN */
21: tsk_msg.msg_type = TA_GET_ACCOUNT;
22:
23: /* ID of task group */
24: tsk_msg.accteam = Team_num;
25:
26: /* Send message to TASK_ADMIN to get account info. */
27: send( TASK_ADMIN, &tsk_msg, &tsk_msg,
28: sizeof(struct ta_account));
29:
30: /* Copy returned user ID to static variable */
31: strcpy( userid, tsk_msg.account_data.account_name );
32:
33: /* Return userid */
34: return((ustr != NULL) ? strcpy( ustr, userid ) : userid);
35: }
36: