__sputc
return __sputc(wc & 0xFF, stream);
#define putc(x, fp) __sputc(x, fp)
#define putc_unlocked(x, fp) __sputc(x, fp)
r = __sputc(c, fp);
r = __sputc(c, fp);
return __sputc(c, fp);
r = __sputc(c, fp);
return __sputc(c, stdout);