[charlib.h] Basic Character ( Set ) & String Library

c_bool ger_islower(char c)

char ger_tolower(char c)

c_bool ger_isupper(char c)

char ger_toupper(char c)

c_bool ger_isprint(char c)

int ger_charcmp(char l, char r)

char umlaut_ascii_to_eascii(char c)

char umlaut_eascii_to_ascii(char c)

char umlaut_eascii_to_ansi(char c)

char umlaut_ansi_to_eascii(char c)

c_bool Str_matches(c_string str, c_string pat)