strreplace_chars
escaped_cpuid1 = strreplace_chars('-', cpuid, "\\-");
escaped_cpuid2 = strreplace_chars(',', escaped_cpuid1, "\\,");
escaped_cpuid1 = strreplace_chars('=', escaped_cpuid2, "\\=");
char *new = strreplace_chars(needle, haystack, replace);
char *strreplace_chars(char needle, const char *haystack, const char *replace);