1 files changed, 45 insertions, 0 deletions
diff --git a/two/inc.c b/two/inc.c
new file mode 100644
index 0000000..220f025
--- /dev/null
+++ b/two/inc.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+
+/* remove s2 chars from s1 */
+void
+squeeze(char s1[], char s2[])
+{
+	int i, j, k, b;
+	for (i = j = 0; s1[i] != '\0'; ++i) {
+		b = 0;
+		for (k = 0; s2[k] != '\0'; ++k) {
+			if (s1[i] == s2[k]) {
+				b = 1;
+			}
+		}
+		if (b == 0) {
+			s1[j++] = s1[i];
+		}
+	}
+	s1[j] = '\0';
+}
+
+/* return first index in s1 where any char in s2 */
+int
+any(char s1[], char s2[])
+{
+	int i, j;
+	for (i = 0; s1[i] != '\0'; ++i) {
+		for (j = 0; s2[j] != '\0'; ++j) {
+			if (s1[i] == s2[j]) {
+				return i;
+			}
+		}
+	}
+	return -1;
+}
+
+int
+main()
+{
+	char s1[] = "foobar";
+	char s2[] = "a";
+	// squeeze(s1, s2);
+	printf("%d\n", any(s1, s2));
+	return 0;
+}