Question

How to get character code (ASCII and Unicode) in C

Answer 1

#include <stdio.h>

int main(void) {
    char ch = 'a';

    printf("%d", ch);

    return 0;
}



/*
run:

97

*/

 

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Answer 2

#include <stdio.h>

int main() {
    char ch = 'a';
    
    int ascii = (unsigned char)ch;
    
    printf("%d\n", ascii);   

    return 0;
}



/*
run:

97

*/

 

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Answer 3

#include <wchar.h>
#include <stdio.h>

int main() {
    // Unicode
    wchar_t wc = L'Ω';
    
    printf("UTF-16 code unit: %u\n", wc);   
    
    return 0;
}



/*
run:

UTF-16 code unit: 937

*/

 

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