C Library Functions: Date, Time, and Monetary Manipulation

Function Header File Description
asctime time.h Converts time stored as a structure to a character string in storage.
clock time.h Determines processor time.
ctime time.h Converts time stored as a time_t value to a character string.
difftime time.h Calculates the difference between two times.
_ftime sys\timeb.h Obtains the current time and stores it in a structure.
gmtime time.h Converts time to Universal Coordinate Time.
localtime time.h Converts time to local time.
mktime time.h Converts local time into calendar time.
_strdate time.h Stores the current date in a buffer.
strfmon monetary.h Converts a monetary value to a formatted string.
strftime time.h Converts time to a character string.
strptime time.h Converts time stored as a character string to a structure.
_strtime time.h Copies the current time into a buffer.
time time.h Returns the time in seconds.
tzset time.h Changes the time zone and daylight saving time zone values.
utime sys\utime.h Sets the modification time for a file.
wcsftime wchar.h Converts the time and date to a wide character string.


Alphabetical Listing of IBM C and C++ Compilers Functions and Macros