Question

How to convert a character to uppercase in C

Answer 1

#include <stdio.h> 
#include <ctype.h> 
 
int main(void)
{   
    char ch = 'q';
 
    ch = toupper(ch);
 
    putchar(ch);
    putchar('\n');
     
    putchar(toupper('g'));
     
    return 0;
}
 
    
/*
run:
 
Q
G

*/

 

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Answer 2

#include <stdio.h> 
#include <ctype.h> 
 
int main(void)
{   
    char ch = 'q';
 
    ch = toupper(ch);
 
    printf("%c\n", ch);
     
    printf("%c\n", toupper('g'));
      
    return 0;
}
 
    
/*
run:
 
Q
G

*/

 

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