Tiny terminal sigil in C

sigil.c

// gcc -std=c99 -lcrypto sigil.c -o sigil
#include <openssl/md5.h>
#include <string.h>
#include <stdio.h>
#include <arpa/inet.h>

int main(int argc, char **argv)
{
	char *s = (argc>1)?argv[1]:"";
	unsigned char md5[16];
	MD5(s, strlen(s), md5);
	int fg = (int[]){27, 214, 176, 39, 167, 77, 97}[md5[0]%7];
	uint32_t pic = ntohl(*(uint32_t*)(md5+1));
	printf(" \e[38;5;254m▄▄▄▄▄▄▄▄▄▄▄▄\e[m \n");
	for(int y = 0; y < 5; y++)
	{
		printf(" \e[48;5;254;38;5;%dm ", fg);
		#define B(x) printf(1&pic>>31-5*x-y?"██":"  ");
		B(0)B(1)B(2)B(1)B(0)
		printf(" \e[m \n");
	}
	printf(" \e[38;5;254m▀▀▀▀▀▀▀▀▀▀▀▀\e[m \n");
}