#include <stdio.h><br /> #include <stdlib.h><br /> #include <unistd.h><br />  <br /> int main(){</p> <p> printf(“Sleeping for 5 seconds \n”);<br /> sleep(5);<br /> printf(“Sleep is now over \n”);<br /> }

//sleep function provided by <unistd.h><br /> #include <stdio.h><br /> #include <stdlib.h><br /> #include <unistd.h><br />  <br /> int main(){</p> <p> printf(“Sleeping for 5 seconds \n”);<br /> sleep(5);<br /> printf(“Wake up \n”);<br /> }

#include <stdlib.h><br /> #include <stdio.h><br /> // this library provides sleep() function.<br /> #include <unistd.h><br /> int main()<br /> {<br /> printf(“sleeping”);<br /> sleep(5);<br /> printf(“\nWoke up”);<br /> }

#ifdef __unix__<br /> # include <unistd.h><br /> #elif defined _WIN32<br /> # include <windows.h><br /> #define sleep(x) Sleep(1000 * (x))<br /> #endif

#include <unistd.h></p> <p>unsigned sleep(unsigned seconds);

sleep(5); //sleep for 5 secs

void sleep(unsigned int mseconds)<br /> {<br /> clock_t goal = mseconds + clock();<br /> while (goal > clock())<br /> ;<br /> }

void sleep(unsigned int mseconds)<br /> {<br /> clock_t goal = mseconds + clock();<br /> while (goal > clock())<br /> ;<br /> }