/* * This code was written by Rich Felker in 2010; no copyright is claimed. * This code is in the public domain. Attribution is appreciated but * unnecessary. */#include<stdlib.h>#include<inttypes.h>#include<wchar.h>#include<errno.h>#include"internal.h"intwctomb(char*s,wchar_twc){if(!s)return0;returnwcrtomb(s,wc,0);}