In C / C++ toupper function converts a given character to uppercase according to the character conversion rules defined by the currently installed C locale. In the default "C" locale, the following lowercase letters abcdefghijklmnopqrstuvwxyz are replaced with respective uppercase letters ABCDEFGHIJKLMNOPQRSTUVWXYZ.
Questions tagged [toupper]
176 questions
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votes
1 answer
cast from pointer to integer of different size. compile error
When I try to use toupper, the compiler gives me this error: "warning: cast from pointer to integer of different size." and "warning: assignment makes pointer from integer without cast." Why?
for(i=0;i
Ricky Yang
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-3
votes
1 answer
Using toupper function
#include
#include
#include
#include
#include
#define SIZE 5
void select_word(const char *const art[], const char *const noun[],
const char…
akloady252
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votes
2 answers
How would you convert alpha characters to n string to uppercase in C?
This is what I have so far. I'm just trying to understand how to implement this function.
char toupper(char s[])
{
s[50] = "hello";
int i = 0;
int len;
len = strlen(s);
while(i < len) //converting to upper until the length is reached.
…
dsb4591
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-4
votes
2 answers
do while loop where the choices use toupper in C++
Is there a simple way to convert the char choice from a lower case q to upper case Q?
I've tried the c version of toupper but I can't get it to work in C++. I need it that all the characters typed in will be upper case; so, they link to the choice…
Gus
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-4
votes
3 answers
toupper tolower not working , help what's wrong with my code
main.cpp
#include
#include "Module2.h"
int main()
{
std::cout<<"This is a test of Module2.h"<
goInDoor
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-4
votes
2 answers
Uppercase problems
How can I output this when I'm using Replace and ToUpper in visual studio c#
FirstName
Here's my code:
private void button1_Click(object sender, EventArgs e)
{
string input;
input = comboBox1.Text;
input = input.Replace("_", "");
…
Amped
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- 1
-5
votes
2 answers
Convert first 2 letters of all records to Uppercase in python
I have a dataframe DF with just 1 column and I want to uppercase first 2 letters of all the records in python. how do I do that ?
Yuvraj Singh
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-5
votes
3 answers
Changing upper to lower and lower to upper
I am new in c programming. I would like to ask if this function is ok,
because I don't know how to check this in main.
char uppertolowertoupper(char ch)
{
if (ch>='A' && ch<='Z')
{
ch=tolower(ch);
return ch;
}
else…
uppermost
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-6
votes
1 answer
Loop not accepting lowercase even with toupper (C++)
Currently, I want my code to accept lowercase or uppercase a, b, c, or u as a valid entry from the user. However, anytime I enter the characters as lowercase, they respond with the error message and continue the loop until it is put in uppercase. I…
Samantha Maxam
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votes
1 answer
C++ How do you make every third letter of a char array into an uppercase letter?
At the moment I have figured out how to make every vowel into a '!' and it does work. I have used a bool isVowel() function for that.
Now I want to uppercase every third letter. My array is char aPhrase[15] = "strongpassword":
while…
-8
votes
3 answers
Create your own toUpper and toLower in C
When I run and compile the code, I get errors that A and Z, and a and c are both undefined, how do I fix this ?
char toUpper ( char c ) {
if ( C >= a + c <= z)
-32;
return c;
} // ends toUpper
char toLower ( char c ) {
if…
Anthony Paliseno
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