4878Functions in C Programminghttp://www.mycplus.com/cplus.asp?CID=4Function groups a number of program statements into a unit and gives it a name. This unit can be invoked from other parts of a program. A computer program cannot handle all the tasks by it self. Instead its requests other program like entities - called functions in C - to get its tasks done. A function is a self contained block of statements that perform a coherent task of same kindC and C++ > Tips and Tutorials > Programming in C and C++Oct 10, 2006Tanveer Maqsood
Arrays are used to store large set of data and manipulate them but the disadvantage is that all the elements stored in an array are to be of the same data type. If we need to use a collection of different data type items it is not possible using an array. When we require using a collection of different data items of different data types we can use a structure. Structure is a method of packing data of different types. A structure is a convenient method of handling a group of related data items of different data types.
Reading string displaying strings
Combining or concatenating strings
Copying one string to another.
Comparing string & checking whether they are equal
Extraction of a portion of a string
Suppose we had a set of grades that we wished to read into the computer and suppose we wished to perform some operations on these grades, we will quickly realize that we cannot perform such an operation until each and every grade has been entered since it would be quite a tedious task to declare each and every student grade as a variable especially since there may be a very large number
Function groups a number of program statements into a unit and gives it a name. This unit can be invoked from other parts of a program. A computer program cannot handle all the tasks by it self. Instead its requests other program like entities - called functions in C - to get its tasks done. A function is a self contained block of statements that perform a coherent task of same kind
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