Determines the number of elements in an array.
Determines the type of an array element in a multidimensional array.
Copies a character string parameter into the passed buffer.
Determines the length of a character string parameter.
Writes a date value as a character string into a passed buffer.
Determines the value of a logical parameter.
Returns the value of a numeric parameter as a floating point number.
Returns the integer value of a numeric parameter.
Determines the type of a parameter or the number of parameters.
Sets the return value of the function to NIL.
Returns a string as a character string to Xbase++.
Sets a character string with explicit length as a return value.