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38. Convert Lowercase to uppercase (16.7.2009)

/*
Program# 38
date : 25-12-2008
Convert Lowercase to uppercase
*/

#include <stdio.h>
main(){
char a;
printf("\nEnter a lowercase alphabet :");
scanf("%c",&a);
if(a>=97 && a<=122){
a=a-32;
printf("\nuppercase letter is %c \n",a);
}
else
printf("\n%c is Not Lowercase letter\n",a);
}

output:
To compile the program, run the gcc command,

$ gcc p38.c

Now the executable file is stored as a.out, to run
the program,

$ ./a.out

Enter a lowercase alphabet :h

uppercase letter is H
$

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