Page 134 - Programming Microcontrollers in C

Miscellaneous Functions 119

void free(void *p);
void abort(void);
int atexit(void(*fcn)(void));
void exit(int status);
int system(const char *name);

Non-local Jumps—in setjmp.h

int setjmp(env);
int longjmp(env,int);

Diagnostics—in assert.h

The macro assert() is defined in assert.h

Signals— in signal.h
void (*signal(int sig, void (*sighandler)(int)))(int);
int raise(int sig);

Date and Time Functions —in time.h
char *asctime(struct tm *timeptr);
clock_t clock(void);
char *ctime(time_t *timer);
double difftime(time_t time2, time_t time1);
struct tm *gmtime(time_t *timer);
struct tm *localtime(time_t *timer);
time_t mktime(struct tm *timeptr);
size_t strftime(char *buffer, size_t bufsize, char *format,
struct tm *timeptr);
time_t time(time_t *timer);
Standard input and output—in stdio.h

void clearerr(FILE *fp);
int fclose(FILE *fp);
int feof(FILE *fp);
int ferror(FILE *fp);
int fflush(FILE *fp);
int fgetc(FILE *fp);
int fgetpos(FILE *fp, fpos_t *pos);
char *fgets(char *buffer, int n, FILE *fp);
FILE *fopen(char *filename, char *access);