C Program to Convert String into Uppercase
In this program, you'll learn to convert a given string into uppercase letters.
Source Code
#include<stdio.h>
#include<string.h>
int main()
{
int i;
char str[20];
printf("Enter the string..\n");
gets(str);
for(i=0; str[i]!= '\0'; i++)
{
if(str[i] >= 'a' && str[i] <='z')
{
str[i] = str[i] - 32;
}
}
printf("\nString in UPPERCASE is..\n");
puts(str);
return 0;
}Output
Enter the string..
I love India!
String in UPPERCASE is..
I LOVE INDIA!