Toggle the Bit in an 8-bit Register

Code

#include <stdio.h>

unsigned char toggleBit(unsigned char reg, int pos) {
    return reg ^ (1 << pos);
}

int main() {
    unsigned char reg;
    int pos;
    scanf("%hhu %d", &reg, &pos);
    unsigned char result = toggleBit(reg, pos);
    printf("%d\n", result);
    return 0;
}

Solving Approach