GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
RedHat 6.2(Zoot) |
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updwtmp(3) |
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updwtmp, logwtmp − append an entry to the wtmp file
#include <utmp.h>
void
updwtmp(const char *wtmp_file, const struct
utmp *ut);
void logwtmp(const char *line, const char
*name, const char
*host);
updwtmp() appends the utmp structure ut to the wtmp file.
logwtmp() constructs an utmp structure using line, name, host, current time and current process id. Then it calls updwtmp() to append the structure to the utmp file.
Both functions are available under glibc2, but not under glibc1 or libc. However, logwtmp() occurs in the old libbsd.
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/var/log/wtmp |
database of past user logins |
utmp(5)
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updwtmp(3) | |