check_suffix
if ((slen = check_suffix(pem_name, "PRIVATE KEY")) > 0
if ((slen = check_suffix(pem_name, "PARAMETERS")) > 0
if (fflag == 0 && (suff = check_suffix(file, 0)) &&
if (check_suffix(outfile, 1) == NULL && !(cflag || lflag)) {
static const suffixes_t *check_suffix(char *, int);