gettimeofday microseconds

struct timeval{ longint/ s number of the same time (NULL) return value long int // microsecond number 10 of 6 times };1 struct timezone{2 int tz_minuteswest; /* Time difference between GMT and West */ 3 int tz_dsttime; /* How to

01. Time () provides second-level precision02.03.1 header file 04.2 function prototype05. time_t time (time_t * timer)06. The function returns the number of seconds from TC1970-1-1 0: 0 to the present07.08. Use the time () function combined with

PHP uses the Gettimeofday function to return the current time and store it in an associative array. This article mainly introduces PHP using the Gettimeofday function to return the current time and stored in the associative array method, involving

Use C language for timingIn user space, you can use the C language function gettimeofday to get the time. The call format is: # Include Int gettimeofday (struct timeval * TV, struct timezone * tz );Int settimeofday (const struct timeval * TV, const

Time () provides a second level of accuracy 1. header File 2. Function prototype time_t Time (time_t * timer) The function returns the number of seconds starting from Tc1970-1-1 0:0:0 to now Use the time () function with other

Objective:In development, there are many times when you need to know the function or the operation of some device on the command, so we need to use Gettimeofday to get the current clock.One, function description#include int gettimeofday (struct

Php uses the gettimeofday function to return the current time and place it in the associated array. This article describes how to use the gettimeofday function in php to return the current time and put it in the associated array. It involves the use

# Include # Include # Include Int main (INT argc, char * argv []) { Struct timeval TV; // (1)While (1 ){Gettimeofday (& TV, null); // (2)Printf ("time % u: % u \ n", TV. TV _sec, TV. TV _usec );Sleep (2 );}Return 0; } (1) struct -- timeval----------

The definition of struct timeval structure of struct timeval structure in time.h is as follows: struct Timeval { __time_t tv_sec; /* Seconds. */ __suseconds_t tv_usec; /* microseconds. */ }; Where Tv_sec is epoch to the number of seconds to create

C language Settimeofday () function: Setting the current timestampheader file: #include #include To define a function: int settimeofday (const struct Timeval *tv, const struct timezone); Function Description: