void trim(char* pStr, char pChar=' ');
+/**
+ * Returns true iff the given string starts by prefix.
+ * \param pStr any valid C string ending with the char '\0'.
+ * \param pStrPrefix any valid C string ending with the char '\0'.
+ * \return true iff the given string starts by prefix.
+ */
+bool startWith(const char* pStr, const char* pStrPrefix);
+
+
/**
* Removes the extension (suffix) of a filename.
* Example: removeExtension("agregat100grains_12pas.med", ".med") -> "agregat100grains_12pas"