Time Manipulation

Function Header File Page Description
asctime() time.h asctime() — Convert Time to Character String Converts time stored as a structure to a character string in storage.
asctime_r() time.h asctime_r() — Convert Time to Character String (Restartable) Converts time stored as a structure to a character string in storage. (Restartable version of asctime())
clock() time.h clock() — Determine Processor Time Determines processor time.
ctime() time.h ctime() — Convert Time to Character String Converts time stored as a long value to a character string.
ctime64() time.h ctime64() — Convert Time to Character String Converts time stored as a long long value to a character string.
ctime_r() time.h ctime_r() — Convert Time to Character String (Restartable) Converts time stored as a long value to a character string. (Restartable version of ctime())
ctime64_r() time.h ctime64_r() — Convert Time to Character String (Restartable) Converts time stored as a long long value to a character string. (Restartable version of ctime64())
difftime() time.h difftime() — Compute Time Difference Calculates the difference between two times.
difftime64() time.h difftime64() — Compute Time Difference Calculates the difference between two times.
gmtime() time.h gmtime() — Convert Time Converts time to Coordinated Universal Time structure.
gmtime_r() time.h gmtime_r() — Convert Time (Restartable) Converts time to Coordinated Universal Time structure. (Restartable version of gmtime())
gmtime64() time.h gmtime64() — Convert Time Converts time to Coordinated Universal Time structure.
gmtime64_r() time.h gmtime64_r() — Convert Time (Restartable) Converts time to Coordinated Universal Time structure. (Restartable version of gmtime64())
localtime() time.h localtime() — Convert Time Converts time to local time.
localtime64() time.h localtime64() — Convert Time Converts time to local time.
localtime_r() time.h localtime_r() — Convert Time (Restartable) Converts time to local time. (Restartable version of localtime())
localtime64_r() time.h localtime64_r() — Convert Time (Restartable) Converts time to local time. (Restartable version of localtime64())
mktime() time.h mktime() — Convert Local Time Converts local time into calendar time.
mktime64() time.h mktime64() — Convert Local Time Converts local time into calendar time.
time() time.h time() — Determine Current Time Returns the time in seconds.
time64() time.h time64() — Determine Current Time Returns the time in seconds.


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