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: