int istrcmp(const char *str1, const char *str2) {
while(*str1) {
if(chrlower(*str1) != chrlower(*str2)) break;
str1++, str2++;
}
return (int)chrlower(*str1) - (int)chrlower(*str2);
}
char* strlower(char* str) {
if(!str) return nullptr;
int i = 0;
while(str[i]) {
str[i] = chrlower(str[i]);
i++;
}
return str;
}
bool iwildcard(const char *s, const char *p) {
const char *cp = 0, *mp = 0;
while(*s && *p != '*') {
if(*p != '?' && chrlower(*s) != chrlower(*p)) return false;
p++, s++;
}
while(*s) {
if(*p == '*') {
if(!*++p) return true;
mp = p, cp = s + 1;
} else if(*p == '?' || chrlower(*p) == chrlower(*s)) {
p++, s++;
} else {
p = mp, s = cp++;
}
}
while(*p == '*') p++;
return !*p;
}
bool chrequal(char x, char y) {
if(Insensitive) return chrlower(x) == chrlower(y);
return x == y;
}
