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external variablesdifferent functions of the similar program can be written in different source files and can be compiled together the scope of a
static variablesstatic variables have the similar scope s automatic variables but unlike automatic variables static variables retain their values
automatic variablesautomatic variables are variable which are explained within the functions they lose their value when the function terminates it
scope rules and storage classesthe storage class verifies the life of a variable in terms of its duration or its scope there are four storage classes
recursive functionsrecursion is a process by which a function includes itself with a condition for its safe exit it is best suitable for a recursive
the definition of an objectvariable we can explain a variableset memory to the variable in the following waysegdouble salaryint monthwhen more than
variablesinformation stored in a variable can alter in the course of the program the type used in the definition explains the kind of information the
floating literalthey can be written in common decimal as well as scientific notation floating point representation by default it is of type
integer literalinteger is numbers without fractional partseg20 decimal024
literals constantsconstants are data storage locations whose address is not accessible for the user their value is not altered during the course of
write a program that allows user to enter number of elements in an array the program then allows user to enter the elements write a function called
explain the macrospreprocessor is a translation stage that is applied to your source code before the compiler proper gets its hands on it usually the
define four facilities provided by c language preprocessorthe c language preprocessor provides four separate facilities that you can use as you see
write a program that illustrate command line parametersmainint argc char argvint ifori 0 i lt argc i printfarg d sn i argvireturn
write a program that illustrate macros with argumentsmacros is able to also have arguments just as functions candefine areax314xxthen at any time
explain the command line parametersthe command line arguments are parameters supplied to a program from the operating system these arguments are
define enumeration in computer programmingenumerated types enclose a list of constants that are able to be addressed in integer valueswe can declare
define register with bit fieldswe could define register simply with bit fieldsstruct diskregister unsigned ready1 unsigned erroroccured1 unsigned
c language lets us do this in a structure definition by putting bit length after the variable that isstruct packedstruct unsigned int f11 unsigned
define bit fieldsbit fields permits the packing of data in a structure this is particularly useful when memory or data storage is at a premium usual
explain the bitwise-inclusive-or operator the bitwise-inclusive-or operator contrast each bit of its first operand to the corresponding bit of its
define the bitwise-exclusive-or operator the bitwise-exclusive-or operator compares every bit of its first operand to the corresponding bit of its
define bitwise-and operator ampthe bitwise-and operator amp compares every bit of its first operand to the corresponding bit of its second operand if
define bitwise left shift and right shift operators ltlt gtgt the bitwise shift operators shift their first operand right gtgt or left ltlt by the
hi i want wite a c program that get one logical phrase included xyzw10 and simplify it but i 3939m confused thanxs for anubody help