Pangram checker: Difference between revisions

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@@ Line 232: / Line 232: @@
 =={{header|C}}==
 <lang C>#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 int isPangram(const char *string)
 {
-	char ch, wasused[26];
+	char ch, wasused[26] = {0};
 	int total = 0;
+	while ((ch = *string++)) {
-	memset(wasused, 0, sizeof(wasused));
-	while (ch = *string++) {
 		int index;
@@ Line 250: / Line 247: @@
 		else
 			continue;
-		if(!wasused[index]) {
-			wasused[index] = 1;
+		total += !wasused[index];
+		wasused[index] = 1;
-			total++;
-		}
 	}
 	return (total==26);
@@ Line 260: / Line 256: @@
 int main()
 {
+	int i;
-	const char *pangram = "The quick brown fox jumps over the lazy dog.";
-	const char *not_a_pangram = "The qu1ck brown fox jumps over the lazy d0g.";
+	const char *tests[] = {
+		"The quick brown fox jumps over the lazy dog.",
-	printf("\"%s\" is %sa pangram\n", pangram, isPangram(pangram)?"":"not ");
+		"The qu1ck brown fox jumps over the lazy d0g."
-	printf("\"%s\" is %sa pangram\n", not_a_pangram, isPangram(not_a_pangram)?"":"not ");
+	};
+	for (i = 0; i < 2; i++)
+		printf("\"%s\" is %sa pangram\n",
+			tests[i], isPangram(tests[i])?"":"not ");
 	return 0;
 }</lang>