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function that changes all lowercase letters of a string to uppercase.

afolabi adetunji answered on July 15, 2022 Popularity 9/10 Helpfulness 2/10

answer function that changes all lowercase letters of a string to uppercase.

related onvert it to lower case letter if it’s an upper case letter and convert it to upper case letter if it’s a lower

function that changes all lowercase letters of a string to uppercase.

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char *string_toupper(char *s)
{
  	int i;
     while( s[i] != '\0' ) 
     {
        // if character is in lowercase
        // then subtract 32 
        if( s[i] >= 'a' && s[i] <= 'z' )
        {
           s[i] = s[i] - 32;
        }

        // increase iterator variable
        i++;
     }
     return (s);
 }

Popularity 9/10 Helpfulness 2/10 Language c

Source: www.knowprogram.com

Tags: c function letters lowercase string

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Contributed on Jul 15 2022

afolabi adetunji

0 Answers Avg Quality 2/10

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onvert it to lower case letter if it’s an upper case letter and convert it to upper case letter if it’s a lower

Comment

#include<iostream>
#include<string>
using namespace std; 

int main() 
{ 
    string str="Hello World"; 
    int i;
    
    cout<<"The String is: \n"<<str;
    cout<<endl<<endl;
    
    cout<<"String after uppercase lowercase modification: \n";
    for(i=0; i < str.length(); i++)
    {
        //if its uppercase add to its Ascii code 32 to make lowercase
        if(str[i]>='A' && str[i]<='Z')
      	cout<<char(str[i]+32);
      	
      	// else if its lowercase subtract 32 to make it upper case 
        else if(str[i]>='a' && str[i]<='z')
      	cout<<char(str[i]-32);
      	
      	// else if its a space or symbol for example just print it as is
      	else cout<<str[i];
      	
      	//the reason this works is that the distance in Ascii from uppercase to lowercase 
      	//is standard and constant
    }
    return 0;
}

Popularity 10/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Aug 27 2022

Ameer Jamal

0 Answers Avg Quality 2/10

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function that changes all lowercase letters of a string to uppercase.

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function that changes all lowercase letters of a string to uppercase.

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onvert it to lower case letter if it’s an upper case letter and convert it to upper case letter if it’s a lower

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