C Function
Description
Functions provides modularity to the software.
Syntax
The general format of a function is
<Return type> <Function name> <Parameter list>{
local definitions;/*from w ww.j a v a 2s .c o m*/
statements;
Return value;
}
Example
The following code defines a function called add. It adds two integer type value together and returns the sum to the caller.
#include <stdio.h>
// www. ja va2 s . c o m
int add (int x, int y) {
int z;
z = x + y;
return (z);
}
main ()
{
int i, j, k;
i = 10;
j = 20;
k = add(i, j);
printf ("The value of k is %d\n", k);
}
The code above generates the following result.
