#include "io.h" #include "stdio.h" void pattern_nums_to_str(char *str, struct pattern *pattern) { str[0] = 0; if (pattern->length >= 1) str += sprintf(str, "%d", pattern_point_to_index(pattern, 0)); for (int i = 1; i < pattern->length; i++) { str += sprintf(str, ",%d", pattern_point_to_index(pattern, i)); } }