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/* $Id: sysfunc.h,v 1.9 2007-12-09 22:13:03 stpohle Exp $ */
/* include some system near functions */
#ifndef _SYSFUNC_H_
#define _SYSFUNC_H_
#define MAX_DIRENTRYS 1024
#include <math.h>
enum _dirflags {
DF_dir = 1,
DF_file = 2
};
enum _dirbitmask { // bit mask for the directions
DIRM_left = 1,
DIRM_right = 2,
DIRM_up = 4,
DIRM_down = 8,
DIRM_under = 16
};
struct __direntry {
unsigned char flags;
char name[LEN_FILENAME];
struct __direntry *next;
} typedef _direntry;
extern void s_delay (int ms);
extern int s_fetchevent (SDL_Event *event);
extern int s_random (int maxnr);
extern char *s_gethomedir ();
extern int s_countbits (int nbomb, int nr);
extern char* getfilename(char* path);
extern Sint16 s_swap16 (Sint16 i);
extern Sint32 s_swap32 (Sint32 i);
extern _direntry *s_getdir (char *path);
extern _direntry *s_dirfilter (_direntry *dirstart, signed char dirflags);
#ifndef HAVE_POWF
#define powf(__x,__y) ((float)pow((double)__x,(double)__y))
#endif
#ifndef HAVE_SQRTF
#define sqrtf(__x) ((float)sqrt((double)__x))
#endif
#ifndef HAVE_FLOORF
#define floorf(__x) ((float)floor((double)__x))
#endif
/*
* somehow this works..
* something missing in the stdarg.h file?
*/
#ifndef HAVE_VSNPRINTF
#define vsnprintf _vsnprintf
#endif
extern void s_calctimesync ();
extern void rect_clipping (SDL_Rect *src, SDL_Rect *dest, SDL_Rect *window, SDL_Rect *csrc, SDL_Rect *cdest);
extern void charlist_fillarraypointer (_charlist *list, int c);
extern _charlist *charlist_findtext (_charlist *list, char *text);
extern float absol(float f);
#endif
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