Print separated data in C the right way

line_seperator.c

#include <stdio.h>

void generate_initializer(char *string, const char *separator)
{
	static char *sep = "";
	printf("%s%s", sep, string);
	sep = separator;
}

int main(void)
{
	char *arr[] = {"10", "23", "12", "43", "23", "1", "23"};
	int i = -1;

	while (i++ < 6)
		generate_initializer(arr[i], ", ");

	puts("");

	return 0;
}