check_for_pattern
if (!check_for_pattern(fp, addr_pattern, buffer, sizeof(buffer)))
if (!check_for_pattern(fp, "Swap:", buffer, sizeof(buffer)))
if (!check_for_pattern(fp, "RssAnon:", buffer, sizeof(buffer)))
if (!check_for_pattern(fp, addr_pattern, buf, len))
if (!check_for_pattern(fp, pattern, buf, len))
bool check_for_pattern(FILE *fp, const char *pattern, char *buf, size_t len);