Returns a calendar time based on a time baseĬonverts a struct tm object to a textual representation (deprecated)Ĭonverts a time_t value to a textual representationĬonverts a struct tm object to custom textual representationĬonverts a string with time information to a struct tmĬonverts a struct tm object to custom wide string textual representationĬonverts a time_t value to calendar time expressed as Coordinated Universal Time Ĭonverts a time_t value to calendar time expressed as local timeĬonverts calendar time to a time_t value. Returns a processor tick count associated with the process The value of the epoch is operating system dependent 19 are often used.
Returns the current time of the system as a time_t value, number of seconds, (which is usually time since an epoch, typically the Unix epoch). The C date and time operations are defined in the time.h header file ( ctime header in C++).Ĭomputes the difference in seconds between two time_t values They provide support for time acquisition, conversion between date formats, and formatted output to strings. The C date and time functions are a group of functions in the standard library of the C programming language implementing date and time manipulation operations.
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