convert uppercase or lowercase NAME toupper, tolower, toupper_l, tolower_l - convert uppercase or lowercase LIBRARY Standard C library ( libc...convert uppercase or lowercase NAME toupper, tolower, toupper_l, tolower_l - convert uppercase or lowercase LIBRARY Standard C library ( libc...convert uppercase or lowercase NAME toupper, tolower, toupper_l, tolower_l - convert uppercase or lowercase LIBRARY Standard C library ( libc...convert uppercase or lowercase NAME toupper, tolower, toupper_l, tolower_l - convert uppercase or lowercase LIBRARY Standard C library ( libc......_CTYPE category of the current locale, but the following names are valid in all locales. "tolower" - realizes the tolower (3) mapping "toupper" - realizes the toupper (3) mappin…...This function will convert accented letters into random characters. SEE ALSO isascii (3), tolower (3), toupper (3)..._GNU_SOURCE DESCRIPTION The towlower () function is the wide-character equivalent of the tolower (3) function. If wc is an uppercase wide character, and there exists a lowercase…..._GNU_SOURCE DESCRIPTION The towlower () function is the wide-character equivalent of the tolower (3) function. If wc is an uppercase wide character, and there exists a lowercase…...urns the result on the evaluation stack, i.e., 1 if the value is nonzero and 0 otherwise. tolower Copy a string, converting to lowercase . Usage: tolower( value ) Parameters: sp…...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)...3), iswspace (3), iswupper (3), iswxdigit (3), newlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale (7)