#include "utils/SnuviUtils.h" bool isLetter(int c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); } bool isNumber(int c) { return c >= '0' && c <= '9'; } bool isAllowedInName(int c) { return isLetter(c) || isNumber(c) || c == '_'; }