Prints a random tryte string

main.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define MYCHAR 'A'
#define TRYTELEN 2673

char *get_random_trytes (int length) {
	int i = 0, j;
	char *out = malloc(sizeof(char)*length);
	while (i < length) {
		j = rand() % 27;
		out[i] = j == 26 ? '9' : MYCHAR + j ;
		i++;
	}
	return out;
}
int main(int argc, char *argv[]) {
	srand(time(NULL));
	int intvar;
	if(argc < 2 || sscanf (argv[1], "%i", &intvar)!=1)
	{
		intvar = TRYTELEN;
	}
	fprintf(stdout, "%s", get_random_trytes(intvar));
}