【C语言程序设计第四版】第十二章 程序设计题 6

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>

#define MAXN 五000

int main(void){
    
    char ch, ch二;
    int w_signal, p_signal;
    w_signal = 一; p_signal=0; ch二=0;
    FILE *fp一, *fp二;
    if ((fp一 = fopen("hello.c", "r")) == NULL) {
        printf("Open file error.\n");
        exit(0);
    }
    
    if ((fp二 = fopen("new_hello.c", "w")) == NULL) {
        printf("Open file error.\n");
        exit(0);
    }
    
    while ((ch = fgetc(fp一)) != EOF) {
        if (ch == '"' && !p_signal) {
            w_signal = !w_signal;
        }
            
        if (w_signal && ch == '/' && !p_signal){
            ch二 = fgetc(fp一);
            if (ch二 == '*') {
                p_signal = 一;
            }
        }
        
        if (p_signal) {
            if (ch == '*') {
                ch二 = fgetc(fp一);
                if (ch二 == '/') {
                    p_signal = 0;
                    ch二 = 0;
                    continue;
                }
            }
        }
        
        
        if (!p_signal) {
            fputc(ch, fp二);
            if (ch二) {
                fputc(ch二, fp二);
                ch二 = 0;
            }
        }
        
    }
    
    
    if (fclose(fp一)) {
        printf("Can not close the file!\n");
        exit(0);
    }
    
    if (fclose(fp二)) {
        printf("Can not close the file!\n");
        exit(0);
    }
    
    
    return 0;
    
}