NAME toupper, tolower, toupper_l, tolower_l - convert uppercase or lowercase LIBRARY Standard C library ... SYNOPSIS #include int toupper(int c ); int tolower(int c ); int touppe…NAME toupper, tolower, toupper_l, tolower_l - convert uppercase or lowercase LIBRARY Standard C library ... SYNOPSIS #include int toupper(int c ); int tolower(int c ); int touppe…NAME toupper, tolower, toupper_l, tolower_l - convert uppercase or lowercase LIBRARY Standard C library ... SYNOPSIS #include int toupper(int c ); int tolower(int c ); int touppe…NAME toupper, tolower, toupper_l, tolower_l - convert uppercase or lowercase LIBRARY Standard C library ... SYNOPSIS #include int toupper(int c ); int tolower(int c ); int touppe…value is nonzero and 0 otherwise. tolower Copy a string, converting to lowercase . Usage: tolowerfollowing names are valid in all locales. "tolower" - realizes the tolower (3) mapping "toupper" - realizesstarting at i is returned. tolower( s ) Returns a copy of s with all upper ... extensions are: New functions: toupper() and tolower(). New variables: ENVIRON[] and CONVFMT. ANSI C …separated with a , and enclosed in parentheses. tolower followed by a list of mappings from ... uppercase to lowercase letters. If the keyword tolower is not present, the reversewide-character equivalent of the tolower (3) function. If wc is an uppercase wide characterwide-character equivalent of the tolower (3) function. If wc is an uppercase wide characternewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), localenewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), localeinto random characters. SEE ALSO isascii (3), tolower (3), touppernewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), localenewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), localenewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), localenewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), localenewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), localenewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), localenewlocale (3), setlocale (3), toascii (3), tolower (3), toupper (3), uselocale (3), ascii (7), locale