#include <stdio.h>int main(void){	printf("#ifndef RTPTYPES_H\n\n");	printf("#define RTPTYPES_H\n\n");	printf("#include <sys/types.h>\n\n");		if (sizeof(char) == 1)	{		printf("typedef char int8_t;\n");		printf("typedef unsigned char u_int8_t;\n");	}	else		return -1;	if (sizeof(short) == 2)	{		printf("typedef short int16_t;\n");		printf("typedef unsigned short u_int16_t;\n");	}	else		return -1;	if (sizeof(int) == 4)	{		printf("typedef int int32_t;\n");		printf("typedef unsigned int u_int32_t;\n\n");		printf("#endif // RTPTYPES_H\n");		return 0;	}	if (sizeof(long) == 4)	{		printf("typedef long int32_t;\n");		printf("typedef unsigned long u_int32_t;\n\n");		printf("#endif // RTPTYPES_H\n");		return 0;	}	return -1;}