C Programming

[Mohan Giri]

Hai Everybody,
Happy New Year to all. When we use user defined functions in our program, if we declare two different types of data ( calling function data type and called function data type are different) what will be the output? Will we get any error message?????????

 

[developer]

calling function data type and called function data type are different)

What do you mean by callin datatype and called data type?

 

[Mohan Giri]

Calling function is a function which is declared within main function. Called function is a function which sends result after processing the code to the calling function in main function.

For ex...

main()
{
int a,b,c;
a=5;
b=8;
c=add(a,b)
printf(c);
}
int add(int y, int x)
{
int z=y+x;
return z;
}


here c=add(a,b) is a calling funtion and add(y,x) is a called function.

 

[gab00n]

So why don't you just code it and try run it, then you will know what will happen.

 

[Mohan Giri]

At present I do not have C Compiler in my PC. I had some problem in my pc. So I formatted everything. I am waiting for a good C Compiler now.

 

[mohoo]

so you mean:
main()
{
int a,b,c;
a=5;
b=8;
c=add(a,b)
printf(c);
}
int add(int y, int x)
{
int z=y+x;
return z;
}

here if c has been defined as int ,but the called function add(int,int) has defined as returning float,then you call there are two different types of data ?

 

[holy_devil_]

main()
{
int a,b,c;
a=5;
b=8;
c=add(a,b)
printf(c);
}
int add(int y, int x)
{
int z=y+x;
return z;
}


here you have to declare add(int,int) first becoz you are defining it after the call has been made. otherwise simply put the definition before main likr:......

int add(int y, int x)
{
int z=y+x;
return z;
}
main()
{
int a,b,c;
a=5;
b=8;
c=add(a,b);
//printf("%d",c);
}