BSD 4_3_Reno release

[unix-history] / usr / src / usr.bin / refer / refer / refer8.c

#ifndef lint
static char *sccsid = "@(#)refer8.c     4.1 (Berkeley) 5/6/83";
#endif

#include "refer..c"

static char ahead[1024];
static int peeked = 0;
static char *noteof = (char *) 1;

char *
input(s)
char *s;
{
       if (peeked) {
               peeked = 0;
               if (noteof == 0)
                       return(0);
               strcpy(s, ahead);
               return(s);
       }
       return(fgets(s, 1000, in));
}

char *
lookat()
{
       if (peeked)
               return(ahead);
       noteof = input(ahead);
       peeked = 1;
       return(noteof);
}

addch(s, c)
char *s;
{
       while (*s)
               s++;
       *s++ = c;
       *s = 0;
}