func: int ff_http_match_no_proxy(const char *no_proxy,const char *hostname) char * buf ; char * start ; if ( ! no_proxy )  if ( ! hostname )  buf = av_strdup ( no_proxy ); if ( ! buf )  start = buf; while ( start )  char * sep ; char * next = ( ( void * ) 0 ) ; start += strspn ( start , " ," ); sep = start + strcspn ( start , " ," ); if ( * sep )  next = sep + 1; * sep = '\0'; if ( match_host_pattern ( start , hostname ) )  start = next; static int match_host_pattern(const char *pattern,const char *hostname) if ( ! strcmp ( pattern , "*" ) )  