#ifndef _UTILS_H_ #define _UTILS_H_ #ifdef __cplusplus extern "C" { #endif /* Constants */ #define KB_SIZE 1024.0 #define MB_SIZE 1048576.0 #define GB_SIZE 1073741824.0 /* Macros */ #define round_up(x,n) (-(-(x) & -(n))) /* Prototypes */ unsigned int swap32(unsigned int); #ifdef __cplusplus } #endif #endif