Little Endian to Big Endian

#include <stdio.h>
#include <stdint.h>

uint32_t convert_endian(uint32_t value) {
    uint32_t ret;
    ret = (value>>24)&0xFF;
    ret = ret | (value>>8)&(0xFF<<8);
    ret = ret | (value<<8)&(0xFF<<16);
    ret = ret | (value<<24)&(0xFF<<24);
    
    return ret;
}

int main() {
    uint32_t val;
    scanf("%u", &val);
    printf("%u", convert_endian(val));
    return 0;
}