__prom_putchar     51 arch/mips/fw/sni/sniprom.c int   __PROM_O32(__prom_putchar, (int *(*)(int), void *, int));
__prom_putchar     56 arch/mips/fw/sni/sniprom.c #define _prom_putchar(x)     __prom_putchar(___prom_putchar, O32_STK, x)