void bfs_vwarning(const struct cmdline *cmdline, const char *format, va_list args) { int error = errno; bfs_warning_prefix(cmdline); errno = error; cvfprintf(cmdline->cerr, format, args); }
int cfprintf(FILE *stream, int color, const char *fmt, ...) { va_list args; va_start(args, fmt); int ret = cvfprintf(stream, color, fmt, args); va_end(args); return ret; }