non-digits: root:x:::Root on Lectura:/:/sbin/sh
digits: 01
non-digits: daemon:x::::/:
digits: 11
non-digits: bin:x::::/usr/bin:
digits: 22
non-digits: sys:x::::/:
digits: 33
non-digits: adm:x:::Admin:/var/adm:
digits: 44
non-digits: lp:x:::Line Printer Admin:/usr/spool/lp:
digits: 718
non-digits: uucp:x:::uucp Admin:/usr/lib/uucp:
digits: 55
non-digits: malias:x:::Alias placeholder:/var/adm/malias:/bin/csh
digits: 99
non-digits: rootcsh:x:::Csh root on lectura:/:/usr/bin/csh
digits: 01
non-digits: smmsp:x:::SendMail Message Submission Program:/:
digits: 2525
non-digits: listen:x:::Network Admin:/usr/net/nls:
digits: 374
non-digits: nobody:x:::Nobody:/:
digits: 6000160001
non-digits: noaccess:x:::No Access User:/:
digits: 6000260002
non-digits: nobody:x:::SunOS .x Nobody:/:
digits: 465534655344
non-digits: gmt:x:::Gregg Townsend:/home/gmt:/bin/ksh
digits: 2846
non-digits: whm:x:::William H. Mitchell:/home/whm:/usr/local/bin/bash
digits: 308646
non-digits: #include "/home/cs/fall/a/readline.c"
digits: 352046
non-digits: typedef struct node {
digits: 
non-digits:     char *line;
digits: 
non-digits:     struct node *next;
digits: 
non-digits:     } node;
digits: 
non-digits: char *repl(char c, int n);
digits: