hw2.c

#include <stdio.h>

int main() {
	void *array[] = {NULL, &&state1, &&state2, &&state3, &&state4, &&state5, &&state6, &&state7};
	goto *array[1];
	char c;
	return 1;
state1:
	if(getchar() == 'a') {
		goto *array[2];
	}
	printf("No match\n"); 	return 0;
state2:
	c = getchar();
	if(c == 'a') {
		goto *array[3];
	}
	if(c == 'b') {
		goto *array[4];
	}
	printf("No match\n"); 	return 0;
state3:
	if(getchar() == 'b') {
		goto *array[5];
	}
	printf("No match\n"); 	return 0;
state4:
	if(getchar() == 'b') {
		goto *array[6];
	}
	printf("No match\n"); 	return 0;
state5:
	c = getchar();
	if(c == 'a') {
		goto *array[3];
	}
	if(c == 'b') {
		goto *array[4];
	}
	printf("No match\n"); 	return 0;
state6:
	c = getchar();
	if(c == '\n') {
		printf("Match!\n");
		return 0;
	}
	if(c == 'c') {
		goto *array[7];
	}
	printf("No match\n"); 	return 0;
state7:
	if(getchar() == 'b') {
		goto *array[6];
	}
	printf("No match\n"); 	return 0;
}