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author | haturatu <taro@eyes4you.org> | 2024-12-12 19:39:56 +0900 |
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committer | haturatu <taro@eyes4you.org> | 2024-12-12 19:39:56 +0900 |
commit | 9ed0c06de64b7bd6f5390c4f5972ac0578c0f858 (patch) | |
tree | 6ad61ca8f1f5a4375620313bf863a95d232d6a66 /memchr.c | |
parent | 1d810e685c5d97426bf6fe07d879a8cddd7b5743 (diff) |
wip
Diffstat (limited to 'memchr.c')
-rw-r--r-- | memchr.c | 16 |
1 files changed, 16 insertions, 0 deletions
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 +} |