PXFISCONST

POSIX Function: Tests whether a string is a valid constant name.

Module: USE IFPOSIX

Syntax

result = PXFISCONST (s)

s
(Input) Character. The name of the constant to test.

Results

The result type is logical. The PXFISCONST function confirms whether the argument is a valid constant name that can be passed to functions PXFCONST and IPXFCONST. It returns .TRUE. only if IPXFCONST will return a valid value for name s.

Compatibility

CONSOLE STANDARD GRAPHICS QUICKWIN GRAPHICS WINDOWS DLL LIB

See Also

IPXFCONST, PXFCONST