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Task/String-matching/C/string-matching-1.c

@@ -0,0 +1,32 @@
+#include <string.h>
+#include <stdio.h>
+
+int startsWith(const char* container, const char* target)
+{
+  size_t clen = strlen(container), tlen = strlen(target);
+  if (clen < tlen)
+    return 0;
+  return strncmp(container, target, tlen) == 0;
+}
+
+int endsWith(const char* container, const char* target)
+{
+  size_t clen = strlen(container), tlen = strlen(target);
+  if (clen < tlen)
+    return 0;
+  return strncmp(container + clen - tlen, target, tlen) == 0;
+}
+
+int doesContain(const char* container, const char* target)
+{
+  return strstr(container, target) != 0;
+}
+
+int main(void)
+{
+  printf("Starts with Test ( Hello,Hell ) : %d\n", startsWith("Hello","Hell"));
+  printf("Ends with Test ( Code,ode ) : %d\n", endsWith("Code","ode"));
+  printf("Contains Test ( Google,msn ) : %d\n", doesContain("Google","msn"));
+
+  return 0;
+}