[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;
}
Commit	Line	Data
2b1a705e TL	1	# include "refer..c"
	2	static char ahead[1000];
	3	static int peeked = 0;
	4	static int noteof = 1;
	5	char *
	6	input (s)
	7	char *s;
	8	{
	9	if (peeked)
	10	{
	11	peeked=0;
	12	if (noteof==0) return(0);
	13	strcpy (s, ahead);
	14	return(s);
	15	}
	16	return(fgets(s, 1000, in));
	17	}
	18	char *
	19	lookat()
	20	{
	21	if (peeked) return(ahead);
	22	noteof=input(ahead);
	23	peeked=1;
	24	return(noteof);
	25	}
	26	addch(s, c)
	27	char *s;
	28	{
	29	while (*s) s++;
	30	*s++ = c;
	31	*s = 0;
	32	}