getint

getint.c

int getint(char end) {
	int s = 0;
	int ch;
	ch = getchar();
	while (ch != end && ch != EOF) {
		s = s * 10 + ch - '0';
		ch = getchar();
	}
	return s;
}

int getint2(int *out) {
	register int s = 0;
	register int ch;
	ch = getchar();
	while (ch < '0' || ch > '9') {
		ch = getchar();
	}
	while (ch >= '0' && ch <= '9') {
		s = s * 10 + ch - '0';
		ch = getchar();
	}
	*out = s;
	return ch;
}