Remove trailing whitespace.

1 files changed, 31 insertions, 31 deletions

diff --git a/usr.bin/look/look.c b/usr.bin/look/look.c
index 87db927..be16909 100644
--- a/usr.bin/look/look.c
+++ b/usr.bin/look/look.c
@@ -46,7 +46,7 @@ static char sccsid[] = "@(#)look.c	8.1 (Berkeley) 6/14/93";
 
 /*
  * look -- find lines in a sorted list.
- * 
+ *
  * The man page said that TABs and SPACEs participate in -d comparisons.
  * In fact, they were ignored.  This implements historic practice, not
  * the manual page.
@@ -68,7 +68,7 @@ static char sccsid[] = "@(#)look.c	8.1 (Berkeley) 6/14/93";
 /*
  * FOLD and DICT convert characters to a normal form for comparison,
  * according to the user specified flags.
- * 
+ *
  * DICT expects integers because it uses a non-character value to
  * indicate a character which should not participate in comparisons.
  */
@@ -174,40 +174,40 @@ look(string, front, back)
 
 /*
  * Binary search for "string" in memory between "front" and "back".
- * 
+ *
  * This routine is expected to return a pointer to the start of a line at
  * *or before* the first word matching "string".  Relaxing the constraint
  * this way simplifies the algorithm.
- * 
+ *
  * Invariants:
- * 	front points to the beginning of a line at or before the first 
+ * 	front points to the beginning of a line at or before the first
  *	matching string.
- * 
- * 	back points to the beginning of a line at or after the first 
+ *
+ * 	back points to the beginning of a line at or after the first
  *	matching line.
- * 
+ *
  * Base of the Invariants.
- * 	front = NULL; 
+ * 	front = NULL;
  *	back = EOF;
- * 
+ *
  * Advancing the Invariants:
- * 
+ *
  * 	p = first newline after halfway point from front to back.
- * 
- * 	If the string at "p" is not greater than the string to match, 
+ *
+ * 	If the string at "p" is not greater than the string to match,
  *	p is the new front.  Otherwise it is the new back.
- * 
+ *
  * Termination:
- * 
- * 	The definition of the routine allows it return at any point, 
+ *
+ * 	The definition of the routine allows it return at any point,
  *	since front is always at or before the line to print.
- * 
- * 	In fact, it returns when the chosen "p" equals "back".  This 
- *	implies that there exists a string is least half as long as 
- *	(back - front), which in turn implies that a linear search will 
+ *
+ * 	In fact, it returns when the chosen "p" equals "back".  This
+ *	implies that there exists a string is least half as long as
+ *	(back - front), which in turn implies that a linear search will
  *	be no more expensive than the cost of simply printing a string or two.
- * 
- * 	Trying to continue with binary search at this point would be 
+ *
+ * 	Trying to continue with binary search at this point would be
  *	more trouble than it's worth.
  */
 #define	SKIP_PAST_NEWLINE(p, back) \
@@ -240,12 +240,12 @@ binary_search(string, front, back)
 /*
  * Find the first line that starts with string, linearly searching from front
  * to back.
- * 
+ *
  * Return NULL for no such line.
- * 
+ *
  * This routine assumes:
- * 
- * 	o front points at the first character in a line. 
+ *
+ * 	o front points at the first character in a line.
  *	o front is before or at the first line to be printed.
  */
 char *
@@ -271,7 +271,7 @@ linear_search(string, front, back)
 /*
  * Print as many lines as match string, starting at front.
  */
-void 
+void
 print_from(string, front, back)
 	register char *string, *front, *back;
 {
@@ -287,13 +287,13 @@ print_from(string, front, back)
 /*
  * Return LESS, GREATER, or EQUAL depending on how the string1 compares with
  * string2 (s1 ??? s2).
- * 
- * 	o Matches up to len(s1) are EQUAL. 
+ *
+ * 	o Matches up to len(s1) are EQUAL.
  *	o Matches up to len(s2) are GREATER.
- * 
+ *
  * Compare understands about the -f and -d flags, and treats comparisons
  * appropriately.
- * 
+ *
  * The string "s1" is null terminated.  The string s2 is '\n' terminated (or
  * "back" terminated).
  */