minor tweaks

Author: fsaadatmand

chapter07/7-8.c

@@ -7,21 +7,19 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#define LINE      81
-#define PAGEBREAK 3840                 /* characters per page */
+#define LINE       81                  /* characters per line */
+#define PAGEBREAK  3840                /* characters per page ~ 500 word/page */
 
 /* functions */
-int pagecount(FILE *);
+int  pagecount(FILE *);
 void printcover(char *, int);
 
 int pagecount(FILE *f)
 {
-	int c;
 	int count = 0;
 
-	while ((c = getc(f)) != EOF) 
+	while (getc(f) != EOF) 
 		count++;
-
 	return (count < PAGEBREAK) ? 1 : count / PAGEBREAK;
 }
 
@@ -34,26 +32,26 @@ void printcover(char *s, int n)
 	printf("Page count: %i\n", n);
 	printf("************************\n");
 
-	for (i = 4; i <= (PAGEBREAK / LINE); ++i)
+	for (i = 4; i <= (PAGEBREAK / LINE); ++i)   /* i = 4 to skip above lines */
 		printf("\n");
 }
 
 int main(int argc, char *argv[])
 {
 	FILE *fp;
 	char *prog = argv[0];
-	int pages;
+	int pages, c;
 
 	while (--argc > 0)
 		if ((fp = fopen(*++argv, "r")) == NULL) {
 			fprintf(stderr, "%s: can't open %s\n", prog, *argv);
 			exit(EXIT_FAILURE);
 		} else {
 			pages = pagecount(fp);
-			rewind(fp);                /* rewind the input stream */
+			rewind(fp);                   /* rewind input stream */
 			printcover(*argv, pages);
-			while (!feof(fp))        /* print file */
-				putc(getc(fp), stdout);
+			while ((c = getc(fp)) != EOF) /* print file */
+				fprintf(stdout, "%c", c);
 			fclose(fp);
 		}
 	exit(EXIT_SUCCESS);