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ya, with dev-c++ i get a linker error that says:
"Undefined reference to __gl_personality_vxx"
I have also tried the borland command line compiler (bcc5.5) but i get 14-16 errors when...

trying to run demo program (drawshapes.cpp, draws a couple basic shapes in a GUI window). I'm getting an error that says:

Resource Error | no resources.

I've installed the clGDI devpack...

I'm trying to incorporate this library into Dev-C++ compiler, just attempting to compile a few demo progs i got. I get errors like:

previous declaration of 'COLOURS BLACK'
etc.. for all colours....

i was browsing threads and found the answer like 2mins after. that'll learn me to post quickly. :rolleyes:

it was exactly like your suggestion. thanks.

My program asks the user for the name of the input file.
If the user screws up and enters nothing, or an incorrect filename, the program will crash. How can the program be directed to recognize that...

both of these solutions work on their own, so thats cool, but now ive got a different problem.
The code checking for an integer or invalid character is within a case statement... like so:

switch...

How am i able to display an error message and exit the program when a character is accidentally entered by a user when the scanf statement expects an integer ( or double ), instead of having the prog...

cool. i got it workin now. thx.

I get an error when compiling my source file for the header,

[Linker Error] Undefined reference to 'WinMain@16'

Here is my header code:

#define Pi 3.14159265358979323846

extern double...

sorry, i was a little vague, but actually im just looking for a function to read the # of data values in the file.

like if file contained: 10,20,30,40,50,60
the function would read 6 values......

what is the best way to determine how many values are contained in an input pointer file and store in a variable? any ideas appreciated.