Big 2.6.3.0 reorganization

 - Add libposixplz, update headers
 - Add memmem and friends
 - Add textmessage to libunixonacid
 - Update some sysdeps tests

1 files changed, 11 insertions, 0 deletions

diff --git a/src/libstddjb/byte_search.c b/src/libstddjb/byte_search.c
new file mode 100644
index 0000000..286d806
--- /dev/null
+++ b/src/libstddjb/byte_search.c
@@ -0,0 +1,11 @@
+/* ISC license. */
+
+#include <string.h>
+#include <skalibs/posixplz.h>
+#include <skalibs/bytestr.h>
+
+size_t byte_search (char const *haystack, size_t hlen, char const *needle, size_t nlen)
+{
+  char *p = memmem(haystack, hlen, needle, nlen) ;
+  return p ? p - haystack : hlen + 1 - nlen ;
+}