_ACPI_DI          194 include/acpi/acutils.h #define ACPI_IS_DIGIT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
_ACPI_DI          199 include/acpi/acutils.h #define ACPI_IS_PRINT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))