_pctype, _pwctype, _wctype, _mbctype, _mbcasemap
These global variables contain information used by the character classification functions. They are for internal use only.
extern const unsigned short *_pctype; extern const wctype_t *_pwctype; extern const unsigned short _wctype; extern unsigned char _mbctype; extern unsigned char _mbcasemap;
The information in _pctype, _pwctype, and _wctype is used internally by functions, , , , , , , , and , as well as the and functions. These functions should be used instead of accessing these global variables.
The information in _mbctype and _mbcasemap is used internally by, , , , , , , , , , , , and . Use these functions instead of accessing the global variables.