isspace
#define isspace(c) __isctype((c), _ISspace)
#define isspace(c) (AcpiGbl_Ctypes[(unsigned char)(c)] & (_ACPI_SP))
#define isspace(c) ((c) == ' ' || (c) == '\t')
isspace(int c)
#undef isspace
void isspace() {}
void isspace() {}