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How can a function return a pointer to its calling routine?
The general form of a function is:
type_specifier function_name(parameter list)
{
body of function;
}
where type_specifier specifies the type of value that the function's return statement returns and the parameter list is a comma-separated list of variable names and types which receive the values of the arguments passed by the call to the function. The purpose of most functions is to either perform a computation and return a value, manipulate information and return a success-or-failure (true or false) value, or perform a strictly procedural routine which produces no value (eg, the exit() function). Functions may be declared to return any valid C data type. If the return type is not specified, it automatically defaults to type int. return causes an immediate exit from a function. It may also be used to return a value. All functions, except those of type void, return a value.
Functions that return pointers are handled just like any other type of function, e.g.:
char * match(char c, char *s)
while(c != *s && *s)
s++;
return(s);
Bitwise-Exclusive-OR Operator: ^ exclusive-OR-expression : AND-expression exclusive-OR-expression ^ AND-expression The bitwise-exclusive-OR operator (^) compares
Zero address instruction. It is also possible to use instruction where the location s of all operand is explained implicitly. This operand of the use of the method for storing
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A useful exercise in understanding assembly language and its relation to machine language is to take a short assembly language program and translate it to machine language by hand.
Q Why we use addressing schemes? An operation code of an instruction tells the operation to be performed. This operation is executed on some data stored in memory or register.
What are escape sequences characters? List any six of them. The characters which when used with output functions like printf( ),putc(),put() etc. helps in formatting the outpu
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What is hit? A successful access to data in cache memory is known as hit. Normal 0 false false false EN-IN X-NONE X-NONE
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