totn C Functions

C Language: ctime function
(Convert Date and Time to String)

In the C Programming Language, the ctime function converts a calendar time (pointed to by timer) and returns a pointer to a string describing the local time equivalent.

Syntax

The syntax for the ctime function in the C Language is:

char *ctime(const time_t *timer);

Parameters or Arguments

timer
A pointer to an object of type time_t that contains a time value to convert.

Returns

The ctime function returns a pointer to a string describing a local time pointed to by timer. It is equivalent to the following asctime function call:

asctime(localtime(timer));

Required Header

In the C Language, the required header for the ctime function is:

#include <time.h>

Applies To

In the C Language, the ctime function can be used in the following versions:

  • ANSI/ISO 9899-1990

Similar Functions

Other C functions that are similar to the ctime function: