d. [6] Assume that a file test.file exists and the file has only one word Hello...

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d. [6] Assume that a file "test.file" exists and the file has only one word "Hello" in its first line. What is the message do you seen after running the following C program: #include <stdio.h> #include <string.h> #include <sys/types.h> #include <fcntl.h> int main(int argc, char *argv[]) { pid t chpid; int fd, variable, status; char ch; variable = 9; fd = open("test.file", O_RDONLY); chpid = fork(); if (choid != 0) { } else { /* Executed only by the child */ variable = 42; } wait(&status); } close(fd); printf("The child has changed the variable to: %d\n", variable); printf("The child has also closed the file.\n"); return(0); printf("The variable is now: %d\n", variable); if (read(fd, &ch, 1) < 0) { perror("READ failed"); return(1); printf("Read from the file: %s\n", &ch); | return(0); d. [6] Assume that a file "test.file" exists and the file has only one word "Hello" in its first line. What is the message do you seen after running the following C program: #include <stdio.h> #include <string.h> #include <sys/types.h> #include <fcntl.h> int main(int argc, char *argv[]) { pid t chpid; int fd, variable, status; char ch; variable = 9; fd = open("test.file", O_RDONLY); chpid = fork(); if (choid != 0) { } else { /* Executed only by the child */ variable = 42; } wait(&status); } close(fd); printf("The child has changed the variable to: %d\n", variable); printf("The child has also closed the file.\n"); return(0); printf("The variable is now: %d\n", variable); if (read(fd, &ch, 1) < 0) { perror("READ failed"); return(1); printf("Read from the file: %s\n", &ch); | return(0);

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Answer include include include include include Include for fork wait and close f... View the full answer