BSD 3 development

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

# include "refer..c"
static char ahead[1000];
static int peeked = 0;
static int noteof = 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;
}