wap to change string lower case to upper case by using standard library function (strupr) .

 

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()

{
   char a[20];
   printf("enter your string in lower case :\n");
   gets(a);
   printf("your string is :");
   puts(a);
   
   strupr(a);
   printf("string in upper case %s",a);
}


output :

enter your string in lower case : rahul your string is :rahul string in upper case RAHUL

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