28 lines
668 B
C
28 lines
668 B
C
/* @(#)utmp.h 1.1 92/07/30 SMI; from UCB 4.2 83/05/22 */
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#ifndef _utmp_h
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#define _utmp_h
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/*
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* Structure of utmp and wtmp files.
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*
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* XXX - Assuming the number 8 is unwise.
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*/
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struct utmp {
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char ut_line[8]; /* tty name */
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char ut_name[8]; /* user id */
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char ut_host[16]; /* host name, if remote */
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long ut_time; /* time on */
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};
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/*
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* This is a utmp entry that does not correspond to a genuine user
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*/
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#define nonuser(ut) ((ut).ut_host[0] == 0 && \
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strncmp((ut).ut_line, "tty", 3) == 0 && ((ut).ut_line[3] == 'p' \
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|| (ut).ut_line[3] == 'q' \
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|| (ut).ut_line[3] == 'r' \
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|| (ut).ut_line[3] == 's'))
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#endif /*!_utmp_h*/
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