Question

How to convert hex number to string in C

Answer 1

#include <stdio.h>

int main(void) {
    int number = 0xFF;
    char string[16] = { 0 };

    sprintf(string, "%x", number);

    puts(string);

    return 0;
}



/*
run:

ff

*/

 

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Answer 2

#include <stdio.h>

int main(void) {
    int number = 0xFFFF;
    char string[16] = { 0 };

    sprintf(string, "%X", number);

    puts(string);

    return 0;
}



/*
run:

FFFF

*/

 

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