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No. POINTER addition and SUBTRACTION are based on advancing the pointer by a number of ELEMENTS. By definition, if you have a void pointer, you don’t know what it’s pointing to, so you don’t know the size of what it’s pointing to. If you want pointer ARITHMETIC to work on raw addresses, use character POINTERS.

No. Pointer addition and subtraction are based on advancing the pointer by a number of elements. By definition, if you have a void pointer, you don’t know what it’s pointing to, so you don’t know the size of what it’s pointing to. If you want pointer arithmetic to work on raw addresses, use character pointers.

The safest WAY is to use printf () (or fprintf() or sprintf()) with the %P specification. That PRINTS a void pointer (void*). Different compilers MIGHT print a pointer with different formats. Your COMPILER will pick a format that’s right for your environment.

If you have some other kind of pointer (not a void*) and you want to be very safe, cast the pointer to a void*:

The safest way is to use printf () (or fprintf() or sprintf()) with the %P specification. That prints a void pointer (void*). Different compilers might print a pointer with different formats. Your compiler will pick a format that’s right for your environment.

If you have some other kind of pointer (not a void*) and you want to be very safe, cast the pointer to a void*:

A function prototype tells the compiler what kind of arguments a function is looking to receive and what kind of return VALUE a function is going to give back. This approach helps the compiler ensure that calls to a function are made correctly and that no ERRONEOUS type conversions are TAKING place.

A function prototype tells the compiler what kind of arguments a function is looking to receive and what kind of return value a function is going to give back. This approach helps the compiler ensure that calls to a function are made correctly and that no erroneous type conversions are taking place.

The standard C LIBRARY provides a function named at EXIT () that can be used to perform “cleanup” operations when your program terminates. You can set up a set of functions you want to perform automatically when your program EXITS by PASSING function POINTERS to the at exit() function.

The standard C library provides a function named at exit () that can be used to perform “cleanup” operations when your program terminates. You can set up a set of functions you want to perform automatically when your program exits by passing function pointers to the at exit() function.

• EXPRESSION if (a=0) ALWAYS RETURN FALSE.
• expression if (a=1) always return TRUE.

A storage class is an ATTRIBUTE that changes the BEHAVIOR of a variable. It CONTROLS the LIFETIME, scope and linkage. There are five TYPES of storage classes.

1. auto.
2. static.
3. extern.
4. register.
5. typedef.

A storage class is an attribute that changes the behavior of a variable. It controls the lifetime, scope and linkage. There are five types of storage classes.

1. The same auto variable NAME can be used in DIFFERENT BLOCKS.
2. There is no side effect by changing the values in the blocks.
3. The memory is economically used.
4. Auto variables have inherent protection because of LOCAL scope.

A LINKER converts an OBJECT CODE into an executable code by linking together the necessary build in functions. The form and place of declaration where the variable is declared in a program determine the LINKAGE of variable.

A linker converts an object code into an executable code by linking together the necessary build in functions. The form and place of declaration where the variable is declared in a program determine the linkage of variable.

1. An array holds elements that have the same data type.
2. Array elements are stored in subsequent memory LOCATIONS.
3. Two-dimensional array elements are stored ROW by row in subsequent memory locations.
4. Array NAME represents the address of the starting element.
5. Array size should be mentioned in the declaration. Array size must be a constant EXPRESSION and not a VARIABLE.

If a program is large, it is subdivided into a NUMBER of smaller programs that are called modules or subprograms. If a complex problem is solved using more modules, this approach is KNOWN as MODULAR PROGRAMMING.

If a program is large, it is subdivided into a number of smaller programs that are called modules or subprograms. If a complex problem is solved using more modules, this approach is known as modular programming.

A large program is subdivided into a number of smaller programs or subprograms. Each subprogram specifies ONE or more ACTIONS to be performed for a large program. Such subprograms are functions. The function supports only static and extern storage classes. By default, function assumes extern storage class. Functions have global scope. Only REGISTER or auto storage class is allowed in the function parameters. Built-in functions that PREDEFINED and supplied along with the compiler are known as built-in functions. They are also known as library functions.

A large program is subdivided into a number of smaller programs or subprograms. Each subprogram specifies one or more actions to be performed for a large program. Such subprograms are functions. The function supports only static and extern storage classes. By default, function assumes extern storage class. Functions have global scope. Only register or auto storage class is allowed in the function parameters. Built-in functions that predefined and supplied along with the compiler are known as built-in functions. They are also known as library functions.

No. There’s no way to tell, at runtime, how many ELEMENTS are in an ARRAY PARAMETER just by looking at the array parameter itself. Remember, PASSING an array to a function is exactly the same as passing a pointer to the FIRST element.

No. There’s no way to tell, at runtime, how many elements are in an array parameter just by looking at the array parameter itself. Remember, passing an array to a function is exactly the same as passing a pointer to the first element.

The EXPRESSION n++ requires a SINGLE MACHINE instruction such as INR to carry out the INCREMENT operation whereas n+1 requires more instructions to carry out this operation.

The expression n++ requires a single machine instruction such as INR to carry out the increment operation whereas n+1 requires more instructions to carry out this operation.

X&7.

x&7.

The FUNCTION main( ) invokes other functions within it.It is the first function to be called when the program starts execution.

• It is the starting function.
• It returns an int value to the environment that called the program.
• Recursive call is allowed for main( ) also.
• It is a user-defined function.
• Program execution ENDS when the closing brace of the function main( ) is reached.
  
  1. It has two arguments argument count and.
  2. argument vector (REPRESENTS strings PASSED). 
• Any user-defined name can also be used as parameters for main( ) instead of argc and ARGV.

The function main( ) invokes other functions within it.It is the first function to be called when the program starts execution.