C Exercises: Show a function returning pointer
C Pointer : Exercise-15 with Solution
Write a program in C to show how a function returning pointer.
Pictorial Presentation:
Sample Solution:
C Code:
#include <stdio.h>
int* findLarger(int*, int*);
void main()
{
int numa=0;
int numb=0;
int *result;
printf("\n\n Pointer : Show a function returning pointer :\n");
printf("--------------------------------------------------\n");
printf(" Input the first number : ");
scanf("%d", &numa);
printf(" Input the second number : ");
scanf("%d", &numb);
result=findLarger(&numa, &numb);
printf(" The number %d is larger. \n\n",*result);
}
int* findLarger(int *n1, int *n2)
{
if(*n1 > *n2)
return n1;
else
return n2;
}
Sample Output:
Pointer : Show a function returning pointer : -------------------------------------------------- Input the first number : 5 Input the second number : 6 The number 6 is larger.
Flowchart:
C Programming Code Editor:
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C Programming: Tips of the Day
Static variable inside of a function in C
The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().
The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.
The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().
Ref : https://bit.ly/3fOq7XP
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