Create wc.c

wc.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <ctype.h>
+#include <stdbool.h>
+
+int main() {
+    int c;
+    long lines = 0, words = 0, chars = 0;
+    bool in_word = false;
+
+    while ((c = getchar()) != EOF) {
+        chars++;
+
+        if (c == '\n') {
+            lines++;
+        }
+
+        if (isspace(c)) {
+            in_word = false;
+        } else if (!in_word) {
+            in_word = true;
+            words++;
+        }
+    }
+
+    printf("%ld %ld %ld\n", lines, words, chars);
+
+    return 0;
+}