faux.str: Rename faux_str_vcat() to faux_str_mcat(). Because vcat() can be considered like vsprintf() that take va_list argument. But faux_str_mcat() doesn't. The mcat means multi-cat

faux/str.h

@@ -23,7 +23,7 @@ char *faux_str_dup(const char *str);
 
 char *faux_str_catn(char **str, const char *text, size_t n);
 char *faux_str_cat(char **str, const char *text);
-char *faux_str_vcat(char **str, ...);
+char *faux_str_mcat(char **str, ...);
 char *faux_str_sprintf(const char *fmt, ...);
 
 char *faux_str_tolower(const char *str);

faux/str/str.c

@@ -209,7 +209,7 @@ char *faux_str_cat(char **str, const char *text)
  * @param [in] text Text to add to the first string.
  * @return Pointer to resulting string or NULL.
  */
-char *faux_str_vcat(char **str, ...)
+char *faux_str_mcat(char **str, ...)
 {
 	va_list ap;
 	const char *arg = NULL;