Chapter 5

1 files changed, 23 insertions, 0 deletions

diff --git a/ex5-4.c b/ex5-4.c
new file mode 100644
index 0000000..d32e965
--- /dev/null
+++ b/ex5-4.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+int strend(char* const s, char* const t) {
+    char* s_p = s;
+    char* t_p = t;
+    for (; *s_p != '\0'; s_p++);
+    for (; *t_p != '\0'; t_p++);
+    for (; !(s_p == s || t_p == t); s_p--, t_p--) {
+        if (*s_p != *t_p) {
+            return 0;
+        }
+    }
+    return t_p == t;
+}
+
+int main(void) {
+    printf("0==%d\n", strend("foo", "bar"));
+    printf("1==%d\n", strend("foo", "foo"));
+    printf("1==%d\n", strend("xyzfoo", "foo"));
+    printf("0==%d\n", strend("foo", "xyzfoo"));
+    printf("1==%d\n", strend("foo", ""));
+    printf("1==%d\n", strend("", ""));
+}
\ No newline at end of file