1 files changed, 14 insertions, 0 deletions
diff --git a/src/libstddjb/byte_in.c b/src/libstddjb/byte_in.c
new file mode 100644
index 0000000..60625c5
--- /dev/null
+++ b/src/libstddjb/byte_in.c
@@ -0,0 +1,14 @@
+/* ISC license. */
+
+#include <skalibs/bytestr.h>
+
+unsigned int byte_in (char const *s, register unsigned int n, register char const *sep, register unsigned int len)
+{
+  register char const *t = s ;
+  while (n--)
+  {
+    if (byte_chr(sep, len, *t) < len) break ;
+    ++t ;
+  }
+  return t - s ;
+}