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A-1

LabWindows/CVI Programmer Reference Manual

This appendix contains an alphabetized list of compiler warnings, compiler errors, link errors, 
DLL loading errors, and external module loading errors generated by LabWindows/CVI. 

Table A-1.  Error Messages

# flag is valid only 

with o, x, e, f, and g 

specifiers.

Non-Fatal
Run-time Error

Ensure that you use the correct format 
specifier, and that no extra characters exist 
before the format specifier.

#elif missing constant 

expression.

Compile 
Error

Ensure that a conditional expression follows 

#elif

 on the same line.

#if missing constant 

expression.

Compile 
Error

Ensure that a conditional expression follows 

#if

 on the same line.

#ifdef expects an 

identifier.

Compile 
Error

Ensure that an identifier follows 

#ifdef

 on 

the same line.

#ifndef expects an 

identifier.

Compile 
Error

Preprocessor conditional directive 

#ifndef

 

requires an identifier following it on the 
same line. Make sure that an identifier 
follows 

#ifndef

 on the same line.

#line directive cannot 

specify line 0.

Compile 
Error

#line

 preprocessor directive requires a 

non-zero line number value.

#line directive cannot 

specify line greater 

than 32767.

Compile 
Error

#line

 preprocessor directive cannot set the 

line greater than 32,767.

#line directive expects 

numeric argument.

Compile 
Error

#line

 preprocessor directive requires a line 

number value to be specified following 

#line

.

## at beginning of macro 

definition.

Compile 
Error

##

 preprocessing token is at the beginning of 

a macro definition. Ensure that a 
preprocessing token precedes 

##

.

00ProRef.book : 07AppA.fm  Page 1  Monday, March 9, 1998  3:23 PM