dev-cpp-users

[Dev-C++] How to work with envinronment ???

[Wendel <we...@ha...>]

Hi all,

ps.: Sorry for my poor english.

I'm start to programming...and i'm learn C! :-)
I need fo help! 
Somebody know how to can i do in C to see and get a 
valeu of one envinronment of O.S ?? :-)
I need that it work with NT/9x ! :-)
Example... in commando mode (DOS) suppose that i want
know the value of enverionment "tmp" then i do:
c:\>echo %tmp%
c:\>TEMP
c:\>

How to do it in C ??
Eg.: How to get the value of envinonment tmp and 
attribute it to a variable of my program ??

Suppose that i had created:

char recive_env;

And i want get the value of tmp in the operation system and attribute to
"recive_env" in my program...to do comparations...
How to do it ??
Somebody can help me ??
Give me a example??


Thkz for all

Best Regards,

[ ]'s

Re: [Dev-C++] How to work with envinronment ???

[Lorenzo <co...@in...>]

You can use the function:
char *getenv(const char *name);

Ex.
    #include <stdio.h>
    #include <stdlib.h>

    int main(int argc, char *argv[])
    {
        char *szTmp = getenv("TMP");
        printf("TMP: %s\n", szTmp);
        return 0;
    }