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#ifndef _LIB_UTILS_H_

#define _LIB_UTILS_H_

// null from stddef.h

#define NULL ((void *)0)

// valist stuff from stddef.h

typedef __builtin_va_list __gnuc_va_list;

typedef __gnuc_va_list va_list;

#define va_start(v,l)   __builtin_va_start(v,l)

#define va_end(v)       __builtin_va_end(v)

#define va_arg(v,l)     __builtin_va_arg(v,l)

#define va_copy(d,s)    __builtin_va_copy(d,s)

// size_t and wchar definitions

typedef unsigned int size_t;

// wchar def

#ifndef __WCHAR_TYPE__

#define __WCHAR_TYPE__ int

#endif

#ifndef __cplusplus

typedef __WCHAR_TYPE__ wchar_t;

#endif

/* memcpy */

void* memcpy( void* s1, void* s2, size_t n);

/* strlen */

size_t strlen(const char*s);

/* memchr */

void *memchr(const void *s, int c, size_t n);

/* Seed for LFSR function used in rand() */

/* This seed was derived from running the LFSR with a seed of 1 - helps skip the

   first iterations which outputs the value shifting through. */

#define RAND_LFSR_SEED 0x14b6bc3c

/* Pseudo-random number generation */

unsigned long int rand ();

#endif