removing comments

#include <stdio.h>
int main()
{
        int c,state;
        state = 0;
        while((c = getchar()) != EOF) {
                switch(state) {
                        case 0: if(c == '/')
                                        state = 1;
                                else if(c == '"') {
                                        state = 5;
                                        putchar(c);
                                }
                                else
                                        putchar(c);
                        break;
                        case 1: if(c == '/')
                                        state = 2;
                                else if(c == '*')
                                        state = 3;
                                else {
                                        state = 0;
                                        putchar('/');
                                        putchar(c);
                                }
                        break;
                        case 2: if(c == '\n')
                                        state = 0;
                        break;
                        case 3: if(c == '*')
                                        state = 4;
                        break;
                        case 4: if(c == '/')
                                        state = 0;
				else
					state = 3;
                        break;
                        case 5: if(c == '"') {
                                        state = 0;
                                        putchar(c);
                                } else
                                        putchar(c);
                }
        }
        return 0;
}