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-rw-r--r--lib/libc/string/memchr.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/libc/string/memchr.c b/lib/libc/string/memchr.c
new file mode 100644
index 00000000..38850aed
--- /dev/null
+++ b/lib/libc/string/memchr.c
@@ -0,0 +1,12 @@
+#include <stddef.h>
+
+void *memchr(const void *s, int c, size_t n)
+{
+ const unsigned char *p = s;
+ while (n--) {
+ if (*p == (unsigned char)c)
+ return (void *)p;
+ p++;
+ }
+ return NULL;
+}