#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 ); }