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- #include <stdio.h>
- #include <string.h>
- void change_str(char str[]){
- char str_after[1000];
- char *ptr = str;
- char *ptr_after = str_after;
- while(*ptr != '\0'){
- if(*ptr == '?'){
- ptr++;
- continue;
- } else if (*ptr == '/') {
- *ptr_after = '_';
- } else {
- *ptr_after = *ptr;
- }
- ptr++;
- ptr_after++;
- }
- strcpy(str, str_after);
- }
- int main(void)
- {
- char str[1000];
- printf("文字列を入力してください:");
- scanf("%s", str);
- change_str(str);
- printf("変更後の内容:%s\n",str);
- }
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