old c,cc examples

1 files changed, 22 insertions, 0 deletions

diff --git a/c,cc/stringutil.c b/c,cc/stringutil.c
new file mode 100644
index 0000000..aab4f03
--- /dev/null
+++ b/c,cc/stringutil.c
@@ -0,0 +1,22 @@
+#include "stringutil.h"
+
+
+char*
+strend(char* s)
+{
+  if (strlen(s) == 0) return '\0';
+  while(*s != '\0')
+    ++s;
+  return --s;
+}
+
+bool
+endswith(char* s, char* suff)
+{
+  if (strlen(s) < strlen(suff)) return false;
+  char* a = strend(s)-(strlen(suff)-1);
+  if (!a) return false;
+  if (!strcmp(a, suff)) return true;
+  return false;
+}
+