C Program Character toupper() Example

C Program Character toupper() Example

How to write a Character toupper() Example in C Programming Language ?


Solution For C Program :

//C Program Character toupper() Example.
#include <stdio.h>
#include <ctype.h>

int main(){
char c;
scanf("%c", &c);

/*
1.
if( c >= 'a' && c <= 'z' ){
c -= ('a' - 'A');
}
*/

/*
2.
if( islower(c) ){
c -= ('a' - 'A');
}
*/


c = toupper(c);

printf("%c", c);

return 0;
}


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