isprint
#define isprint(c) __sbistype((c), _CTYPE_R)
isprint(int c)
#undef isprint
#define isprint(c) ((__ctype + 1)[c] & (_P | _U | _L | _N | _B))
isprint(char c)
#define isprint(c) (AcpiGbl_Ctypes[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_XS | _ACPI_PU))