### 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