#include<stdio.h>
int main(){
FILE  *fp;
char c;

fp = fopen("hello.txt","r");
while(c = fgetc(fp) != EOF)
{
   putchar(c_;
}

fclose(fp);
}

결과적으로 suggest parentheses around assignment used as truth value 오류가 납니다.

include

int main(){ FILE *fp; char c;

fp = fopen("hello.txt","r"); while(c = fgetc(fp) != EOF) { putchar(c_; }

fclose(fp); }

결과적으로 suggest parentheses around assignment used as truth value 오류가 납니다.