mach-o in c++

mach-o.h

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#define	MH_MAGIC	0xfeedface
#define MH_CIGAM	0xcefaedfe
#define MH_MAGIC_64	0xfeedfacf
#define MH_CIGAM_64	0xcffaedfe
#define LC_SEGMENT_64	0x19
#define LC_ROUTINES_64	0x1a
#define CPU_TYPE_ARM64          (12 | 0x01000000)
#define FAT_CIGAM 0xbebafeca
#define FAT_MAGIC  0xcafebabe
#if !defined(CPU_TYPE_I386)
#define CPU_TYPE_I386       7
#endif
#if !defined(CPU_TYPE_X86_64)
#define CPU_TYPE_X86_64     (CPU_TYPE_I386 | 0x1000000)
#endif
#if !defined(CPU_TYPE_ARM)
#define CPU_TYPE_ARM        12
#endif
#if !defined(CPU_TYPE_SPARC)
#define CPU_TYPE_SPARC      14
#endif
#if !defined(CPU_TYPE_POWERPC)
#define CPU_TYPE_POWERPC    18
#endif
#if !defined(CPU_TYPE_POWERPC64)
#define CPU_TYPE_POWERPC64  (CPU_TYPE_POWERPC | 0x1000000)
#endif
#if !defined(CPU_SUBTYPE_I386_ALL)
#define CPU_SUBTYPE_I386_ALL    3
#endif
#if !defined(CPU_SUBTYPE_X86_64_ALL)
#define CPU_SUBTYPE_X86_64_ALL  3
#endif
#if !defined(CPU_SUBTYPE_ARM_ALL)
#define CPU_SUBTYPE_ARM_ALL     0
#endif
#if !defined(CPU_SUBTYPE_SPARC_ALL)
#define CPU_SUBTYPE_SPARC_ALL   0
#endif
#if !defined(CPU_SUBTYPE_POWERPC_ALL)
#define CPU_SUBTYPE_POWERPC_ALL 0
#endif
typedef int cpu_type_t;

struct mach_header {
	uint32_t      magic;
	int    cputype;
	int cpusubtype;
	uint32_t      filetype;
	uint32_t      ncmds;
	uint32_t      sizeofcmds;
	uint32_t      flags;
};
struct load_command {
	uint32_t cmd;
	uint32_t cmdsize;
};
struct segment_command {
	uint32_t  cmd;
	uint32_t  cmdsize;
	char      segname[16];
	uint32_t  vmaddr;
	uint32_t  vmsize;
	uint32_t  fileoff;
	uint32_t  filesize;
	int maxprot;
	int initprot;
	uint32_t  nsects;
	uint32_t  flags;
};
struct _cpu_type_names {
	cpu_type_t cputype;
	const char *cpu_name;
};