A Visual FoxPro built-in function which returns a character string from the given character expression.
Specifies the character expression from which the character string is returned.
Specifies the position in the character expression cExpression from where the character string is returned. The first character of cExpression is position 1.
Specifies the number of characters to return from cExpression. If you omit nCharactersReturned, characters are returned until the end of the character expression is reached.