md5/md5.h

#ifndef _MD5_H
#define _MD5_H 1

#include <stdio.h>

#if defined HAVE_LIMITS_H || _LIBC
# include <limits.h>
#endif


#ifdef _LIBC
# include <sys/types.h>
typedef u_int32_t md5_uint32;
#else
# if defined __STDC__ && __STDC__
#  define UINT_MAX_32_BITS 4294967295U
# else
#  define UINT_MAX_32_BITS 0xFFFFFFFF
# endif


# ifndef UINT_MAX
#  define UINT_MAX UINT_MAX_32_BITS
# endif

# if UINT_MAX == UINT_MAX_32_BITS
   typedef unsigned int md5_uint32;
# else
#  if USHRT_MAX == UINT_MAX_32_BITS
    typedef unsigned short md5_uint32;
#  else
#   if ULONG_MAX == UINT_MAX_32_BITS
     typedef unsigned long md5_uint32;
#   else
     /* The following line is intended to evoke an error.
        Using #error is not portable enough.  */
     "Cannot determine unsigned 32-bit data type."
#   endif
#  endif
# endif
#endif

#undef __P
#if defined (__STDC__) && __STDC__
#define __P(x) x
#else
#define __P(x) ()
#endif


struct md5_ctx
{
  md5_uint32 A;
  md5_uint32 B;
  md5_uint32 C;
  md5_uint32 D;

  md5_uint32 total[2];
  md5_uint32 buflen;
  char buffer[128];
};


extern void md5_init_ctx __P ((struct md5_ctx *ctx));


extern void md5_process_block __P ((const void *buffer, size_t len,
                    struct md5_ctx *ctx));

extern void md5_process_bytes __P ((const void *buffer, size_t len,
                    struct md5_ctx *ctx));


extern void *md5_finish_ctx __P ((struct md5_ctx *ctx, void *resbuf));



extern void *md5_read_ctx __P ((const struct md5_ctx *ctx, void *resbuf));



extern int md5_stream __P ((FILE *stream, void *resblock));


extern void *md5_buffer __P ((const char *buffer, size_t len, void *resblock));

#endif