1 files changed, 10 insertions, 0 deletions
diff --git a/src/libstddjb/byte_count.c b/src/libstddjb/byte_count.c
new file mode 100644
index 0000000..5e3f8af
--- /dev/null
+++ b/src/libstddjb/byte_count.c
@@ -0,0 +1,10 @@
+/* ISC license. */
+
+#include <skalibs/bytestr.h>
+
+unsigned int byte_count (register char const *s, register unsigned int len, register char b)
+{
+  register unsigned int n = 0 ;
+  while (len--) if (*s++ == b) n++ ;
+  return n ;
+}