In a class only declaration of the function is there but defintion is not there then what is that function?

5 Answers   Hughes,

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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); } }

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Do you know what are static and dynamic type checking?

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What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?

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Can we use clrscr in c++?

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What is a virtual destructor? Explain the use of it?

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What are friend functions?

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Which field is used in c++?

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Explain RAII (Resource Acquisition Is Initialization).

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How does code-bloating occur in c++?

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In int main(int argc, char *argv[]) what is argv[0] a) The first argument passed into the program b) The program name c) You can't define main like that

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Is oops and c++ same?

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