C PROGRAM: TO CONVERT STRING FROM LOWERCASE TO UPPERCASE WITHOUT USING ANY LIBRARY FUNCTION

CODING:

#include<stdio.h>
#include<conio.h>
void main()
{
 char a[25];
 int i;
 clrscr();
 printf("Enter string in lower case: ");
 gets(a);
 printf("\n\nString in upper case: ");
 for(i=0;a[i]!='\0';i++)
  putchar(a[i]-32);
 getch();
}

CODING

OUTPUT

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