评论者：明章辉

回复给IT_BB。

gcc -E helloworld1.c

1 “helloworld1.c”

1 “”

1 “”

1 “helloworld1.c”

11 “helloworld1.c”

int printf(const char *, …);
main(){ putchar(0x48);putchar(0x65);putchar(0x6C);putchar(0x6C); putchar(0x6F);putchar(0x2C);putchar(0x20);putchar(0x77);putchar(0x6F); putchar(0x72);putchar(0x6C);putchar(0x64);putchar(0x21);putchar(0x0a); }