SINGLE_QUOTE_CHAR
*s == SINGLE_QUOTE_CHAR) {
while (*s != SINGLE_QUOTE_CHAR)
if (*s == SINGLE_QUOTE_CHAR &&
*(s+2) == SINGLE_QUOTE_CHAR) {
} else if (*s == SINGLE_QUOTE_CHAR &&
*(s+1) == SINGLE_QUOTE_CHAR) {