From 9ed0c06de64b7bd6f5390c4f5972ac0578c0f858 Mon Sep 17 00:00:00 2001
From: haturatu <taro@eyes4you.org>
Date: Thu, 12 Dec 2024 19:39:56 +0900
Subject: wip

---
 memchr.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 memchr.c

(limited to 'memchr.c')

diff --git a/memchr.c b/memchr.c
new file mode 100644
index 0000000..ec05235
--- /dev/null
+++ b/memchr.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <string.h>
+
+int main()
+{
+  char *ptr;
+  char str[] = "test";
+
+  ptr = memchr(str ,'s', strlen(str));
+  if (ptr != NULL) {
+    printf("文字「s」の場所: %ld\n", ptr - str + 1);
+  } else {
+    printf("文字「s」は見つかりませんでした。\n");
+  }
+  // => 文字「s」の場所: 3
+}
-- 
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