LibC: Add memchr()

1 files changed, 11 insertions, 0 deletions

diff --git a/userland/libc/string/memchr.c b/userland/libc/string/memchr.c
new file mode 100644
index 0000000..cef3bc2
--- /dev/null
+++ b/userland/libc/string/memchr.c
@@ -0,0 +1,11 @@
+#include <string.h>
+
+void *memchr(const void *s, int c, size_t n) {
+  const char *p = s;
+  for (; n > 0; n--, p++) {
+    if (*p == c) {
+      return (void*)p;
+    }
+  }
+  return NULL;
+}