14-char-arrays.c

@@ -1,33 +1,25 @@
 #include <stdio.h>
 #define MAXLINE 1000 /* maximum input line size */
-#define MINLINE 81
 
 int getline(char line[], int maxline);
 void copy(char to[], char from[]);
-void trim(char line[], int len);
 
 /* print longest input line */
 main()
 {
 	int len;
 	int max;
-	int c;
 	char line[MAXLINE];
 	char longest[MAXLINE];
 
 	max = 0;
-	while((len = getline(line, MAXLINE)) > 0) {
+	while((len = getline(line, MAXLINE)) > 0)
-		if (line[len-1] != '\n') {
+		if (len > max) {
-			while ((c=getchar())!=EOF && c!='\n')
+			max = len;
-				++len;
+			copy(longest, line);
-			if (c == '\n')
-				++len;
-		}
-		if (len >= MINLINE) {
-			trim(line, len);
-			printf("%s", line);
-		}
 		}
+	if (max > 0)
+		printf("%s", longest);
 	return 0;
 }
 
@@ -55,15 +47,3 @@ void copy(char to[], char from[])
 	while ((to[i] = from[i]) != '\0')
 		++i;
 }
-
-/* trim: remove extraneous blanks and tabs */
-void trim(char s[], int len)
-{
-	int i;
-
-	for (i = len-2; i >= 0; --i)
-		if (s[i] == ' ' || s[i] == '\t')
-			s[i] = '\0';
-		else
-			return;
-}