Set the Bit in an 8-bit Register

Code

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

uint8_t set_bit(uint8_t reg, uint8_t pos) { return reg |= (1 << pos); }

int main()
{
    uint8_t reg, pos;
    scanf("%hhu %hhu", &reg, &pos);
    printf("%hhu\n", set_bit(reg, pos));
    return 0;
}

Solving Approach