Describe protected access specifiers?

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What are the syntactic rules to be avoid ambiguity in multiple inheritance?

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when can we use virtual destructor?

7 Answers   HCL, HP, Virage Logic,

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What is flush () in c++?

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Difference between pointer to constant and constant pointer to a constant. Give example.

0 Answers   HAL,

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which one is equivalent to multiplying by 2:Left shifting a number by 1 or Left shifting an unsigned int or char by 1?

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What is a container class? What are the types of container classes?

1 Answers  

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Read the following program carefully and write the output of the program. Explain each line of code according to given numbering. #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <errno.h> 1……………… int main (void) { pid_t pid; 2………………………… pid = fork(); 3…………………………. if (pid > 0) { int i; 4………………………… for (i = 0; i < 5; i++) { 5………………… …………… printf(" I AM VU : %d\n", i); 6………………… …………… sleep(1); } exit(0); } 7………………… ……… else if (pid == 0) { int j; for (j = 0; j < 5; j++) { 8……………………………… printf(" I have no child: %d\n", j); sleep(1); } _exit(0); } else { 9………………………………fprintf(stderr, "can't fork, error %d\n", errno); 10……………… … ………… exit (EXIT_FAILURE); } }

1 Answers  

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What is ctime c++?

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Can we use clrscr in c++?

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What is the difference between the functions memmove() and memcpy()?

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What is the difference between an external iterator and an internal iterator? Describe an advantage of the external iterator.

0 Answers  

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