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how to run program after first program

 
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nailuy



Joined: 21 Sep 2010
Posts: 159

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how to run program after first program
PostPosted: Mon Sep 01, 2014 12:40 pm     Reply with quote
Hy
I want to run second program after first:
example

Code:
#int_CCP1
void ABCD()
{
//do something
if (a>1){/*do something*/;}
else {EFGH();}
}

void EFGH()
{
//do something
}


I receive undefined identifier error -- EFGH
Can somebody help me to make it work?
Best regards.
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Mon Sep 01, 2014 1:16 pm     Reply with quote
Read about function prototypes.
http://coder-tronics.com/wp-content/uploads/2014/02/Function-breakdown.png
nailuy



Joined: 21 Sep 2010
Posts: 159

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PostPosted: Tue Sep 02, 2014 1:04 pm     Reply with quote
Thank you.
I found solution
Code:
void EFGH();   // function declaration

void ABCD()
{
if (a>1){/*do something*/;}
else {EFGH();}   

}

void EFGH()    // function definition
{
}

This case may close.
Best regards.
ezflyr



Joined: 25 Oct 2010
Posts: 1019
Location: Tewksbury, MA

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PostPosted: Tue Sep 02, 2014 1:20 pm     Reply with quote
Hi,

Another solution would be to simply move the EFGH() function above the ABCD() function. During compile, the EFGH() reference would have already be resolved by the compiler, so the 'Unidentified Error' problem would not be an issue. IOW, it's possible to structure a 'C' program entirely without 'Function Prototypes', but some may consider that poor form? Your mileage may vary!

John
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