#ifndef UTIL_H#define UTIL_H 1 #include <inttypes.h>#include <sys/time.h>#include <time.h> #ifdef __cplusplusextern "C" {#endif uint8_t *readfile(const char *filename, size_t *len); typedef struct timeval mytime;mytime gettime(void);double elapsed(mytime t1, mytime t0); #ifdef __cplusplus}#endif #endif /* UTIL_H */