Let us C Solutions | C Programming | Rules about functions in C Programming

Let us C solution Chapter 8: Functions Exercise C: C(a): Is this a correctly written function:
int sqr ( int a ) ;
{
return ( a * a ) ;
}

Let Us C solution Chapter 8 Exercise C(b) State whether the following statements are True or False:
1. The variables commonly used in C functions are available to all
the functions in a program.
2. To return the control back to the calling function we must use
the keyword return.
3. The same variable names can be used in different functions
without any conflict.
4. Every called function must contain a return statement.
5. A function may contain more than one return statements.
6. Each return statement in a function may return a different
value.
7. A function can still be useful even if you don’t pass any
arguments to it and the function doesn’t return any value back.
8. Same names can be used for different functions without any
conflict.
9. A function may be called more than once from any other
function.
10. It is necessary for a function to return some value.

Summary of this video from Tech VideoPedia:
0:00 Let Us C solution Chapter 8 Exercise C in Hindi
0:16 Let Us C solution Chapter 8 Exercise C (a)
0:45 Let Us C solution Chapter 8 Exercise C (b)
0:55 Let Us C solution Chapter 8 Exercise C (b)-1
1:32 Let Us C solution Chapter 8 Exercise C (b)-2
1:57 Let Us C solution Chapter 8 Exercise C (b)-3
2:21 Let Us C solution Chapter 8 Exercise C (b)-4
2:43 Let Us C solution Chapter 8 Exercise C (b)-5
3:04 Let Us C solution Chapter 8 Exercise C (b)-6
3:16 Let Us C solution Chapter 8 Exercise C (b)-7
4:05 Let Us C solution Chapter 8 Exercise C (b)-8
4:45 Let Us C solution Chapter 8 Exercise C (b)-9
4:56 Let Us C solution Chapter 8 Exercise C (b)-10

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