这样的文件用上什么编译选项才能产生，后缀名是什么？

[lifeforr]

extern void assertfail (const char *msg,
const char *cond,
const char *file,
int line);
typedef enum BaseTag
{
SY_BASE = 0,
L1_BASE = 0x0100,
L2_BASE = 0x0200,
L3_BASE = 0x0300,
RR_BASE = 0x0400,
MM_BASE = 0x0500,
CC_BASE = 0x0600,
SS_BASE = 0x0700,
SMS_BASE = 0x0800,
AL_BASE = 0x0900,
SI_BASE = 0x0a00,
KI_BASE = 0x0b00,
T_BASE = 0x0c00,
CB_BASE = 0x0d00
}
Base;
typedef long
Alignment;
typedef unsigned char
Char;
typedef unsigned char
Int8;
typedef unsigned short Int16;
typedef unsigned long
Int32;
typedef signed char
SignedInt8;
typedef signed short
SignedInt16;
typedef signed long
SignedInt32;
typedef enum BooleanTag
{
FALSE = (1==0),
TRUE = (1==1)
}
Boolean;
typedef Int32
FrameTicks;
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[lifeforr]

高手哪去了?