X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fstr%2Fstr.h;h=bf858f13b69cb1f671a895450004f36a6ad361cd;hp=8cfd7f29a5626cb7ca3a3196e545f35c3a74c0be;hb=1dcd3ad51bbeb4ba8048b08d62278df8e428031a;hpb=1fe7f55b1efc5deefb20815a03b56c8ef0f6dc53

diff --git a/ccan/str/str.h b/ccan/str/str.h
index 8cfd7f29..bf858f13 100644
--- a/ccan/str/str.h
+++ b/ccan/str/str.h
@@ -55,4 +55,18 @@ static inline bool strends(const char *str, const char *postfix)
 #define stringify(expr)		stringify_1(expr)
 /* Double-indirection required to stringify expansions */
 #define stringify_1(expr)	#expr
+
+/**
+ * strcount - Count number of (non-overlapping) occurrences of a substring.
+ * @haystack: a C string
+ * @needle: a substring
+ *
+ * Example:
+ *	int i;
+ *      i = strcount("aaa aaa", "a");  // i = 6;
+ *      i = strcount("aaa aaa", "ab"); // i = 0;
+ *      i = strcount("aaa aaa", "aa"); // i = 2;
+ */
+size_t strcount(const char *haystack, const char *needle);
+
 #endif /* CCAN_STR_H */