代码

void my_memset(char *a, char c, unsigned n) {
	unsigned i；
	for(i = 0; i + 15 < n; i+=16){
		a[i] = c;
		a[i+1] = c;
		a[i+2] = c;
		a[i+3] = c;
		a[i+4] = c;
		a[i+5] = c;
		a[i+6] = c;
		a[i+7] = c;
		a[i+8] = c;
		a[i+9] = c;
		a[i+10] = c;
		a[i+11] = c;
		a[i+12] = c;
		a[i+13] = c;
		a[i+14] = c;
		a[i+15] = c;
	}
	for(; i < n; i++) a[i]=c;
}

评测结果