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Functions | |
bool | isalnum (char c) |
bool | isalpha (char c) |
bool | iscntrl (char c) |
bool | isdigit (char c) |
bool | isgraph (char c) |
bool | islower (char c) |
bool | isprint (char c) |
bool | ispunct (char c) |
bool | isspace (char c) |
bool | isupper (char c) |
bool | isxdigit (char c) |
char | tolower (char c) |
char | toupper (char c) |
int | digit_value (char c) |
int | xdigit_value (char c) |
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