こっちのほうが意味が分かりやすいかもしれないな
#include<stdio.h>
#defineyourFile"ﾄﾞﾗｲﾌﾞ:/PATH"
#defineLENGTH_AS_YOU_WISH100
voidmain(void){
intcch=1;
int*ch=&cch;
FILE*fp=fopen(yourFile,"r");
charbuf[LENGTH_AS_YOU_WISH];
fgets(buf,sizeof(buf),fp);
fclose(fp);
for(ch=&cch;*ch;++ch){
printf("%#02x ", *ch);
}
}