Functions

programming - C - functions - asctime()

Convert tm structure to string

programming - C - functions - clock()

Returns the number of clock ticks elapsed since the program was launched.

char* ctime(const time_t* timer)

Convert time_t value to string

double difftime(time_t time2, time_t time1)

Return difference between two times

struct tm* gmtime(const time_t* timer)

Convert time_t to tm as UTC time

struct tm* localtime(const time_t* timer )

Convert time_t to tm as local time

time_t mktime(struct tm* timeptr)

Convert tm structure to time_t as local time

size_t strftime(char* ptr, size_t maxsize, const char* format, const struct tm* timeptr)

Format time to string

time_t time(time_t* timer)

Get current time

Macros

• programming - C - CLOCKS_PER_SEC
• programming - C - macro NULL

types

• clock_t
• type size_t
• type time_t
• struct tm