◄Summary► ◄Example► ◄Up► ◄Contents► ◄Index► ◄Back► ─────Run-Time Library─────────────────────────────────────────────────────── The _strlwr function converts any uppercase letters in the given null-terminated string to lowercase. The _strupr function converts any lowercase letters to uppercase. Other characters are not affected. The _f... forms of these functions are model-independent (large- model) forms that use far pointer forms of the <string> arguments and return values. These model-independent functions can be called from any point in the program. Return Value These functions return a pointer to the converted string. There is no error return. -♦-