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- #include <utmp.h>
-
- static char UTMP[] = "/etc/utmp";
- static struct utmp ubuf;
-
- char *
- getlogin()
- {
- register me, uf;
- register char *cp;
-
- if( !(me = ttyslot()) )
- return(0);
- if( (uf = open( UTMP, 0 )) < 0 )
- return(0);
- lseek( uf, (long)(me*sizeof(ubuf)), 0 );
- if (read(uf, (char *)&ubuf, sizeof(ubuf)) != sizeof(ubuf))
- return(0);
- close(uf);
- ubuf.ut_name[8] = ' ';
- for (cp=ubuf.ut_name; *cp++!=' ';)
- ;
- *--cp = '\0';
- return( ubuf.ut_name );
- }
-