Please explain this code
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Please explain this code
![#includecstdio.h>
struct clientData
unsigned int accNum;
char lastNamel 151:
char firstName[10];
float balance:
int main(void)
FILE "cfptr;
int ch;
char filename( 201:
printf("ni Read from std input and write to std output \n");
printf("n2 Read from specified 11le and write to specified f1le"):
printf("\nenter your choice:");
scanf("d".&ch):
if (ch--2)
printf("enter the file name :"):
scanf("s",af1lename);
cfptr-fopen(f1lename, ""):
1f(cfptr--ULL)
puts("File could not be opened");
else
struct clientData client - (0." "." ".8.e};
printf("s","enter account number" "(1 to 100, e to end input");
scanf ("d".&client.accNum):
while(client.achum!-8)
printf( "s". "Vn Enter lastNane,firstName, balance"):
fscanf(stdin, "X14stosf",client.lastName, client.firstNane,client.balance);
printf( "s". "Vn Enter account number:"):
scanf("d",&client.accNum);
fseek(cfptr.(client.accNum-1)*sizeof(struct clientData),SEEK SET):
furite(&client,sizeof(struct clientData).1. cfptr):
fclose(cfptr);
else
struct cli
printf("is"."enter account number" "(1 to 100, e to end input"):
scanf ("d".&client.accNum):
hile(client.accNum!-0)
ta client - (0," "," ",8.0);
printf("s", "n Enter lastName, firstName, balance");
scanf("K14sk9stf",&client.1lastName, Bclient.firstNane, Sclient.balance);
printf("Xs"."\n Enter account number:"):
scanf("d",Bc1ient.accun);
printf( "s\t*s\txf".client.lastName,client.firstName,client.balance):
return 6;](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffa465a4c-2f75-4e29-9be3-0ddfd3398771%2Fdebf91df-c3e8-4164-b30f-b11e733674db%2Fc1106bn_processed.png&w=3840&q=75)
Transcribed Image Text:#includecstdio.h>
struct clientData
unsigned int accNum;
char lastNamel 151:
char firstName[10];
float balance:
int main(void)
FILE "cfptr;
int ch;
char filename( 201:
printf("ni Read from std input and write to std output \n");
printf("n2 Read from specified 11le and write to specified f1le"):
printf("\nenter your choice:");
scanf("d".&ch):
if (ch--2)
printf("enter the file name :"):
scanf("s",af1lename);
cfptr-fopen(f1lename, ""):
1f(cfptr--ULL)
puts("File could not be opened");
else
struct clientData client - (0." "." ".8.e};
printf("s","enter account number" "(1 to 100, e to end input");
scanf ("d".&client.accNum):
while(client.achum!-8)
printf( "s". "Vn Enter lastNane,firstName, balance"):
fscanf(stdin, "X14stosf",client.lastName, client.firstNane,client.balance);
printf( "s". "Vn Enter account number:"):
scanf("d",&client.accNum);
fseek(cfptr.(client.accNum-1)*sizeof(struct clientData),SEEK SET):
furite(&client,sizeof(struct clientData).1. cfptr):
fclose(cfptr);
else
struct cli
printf("is"."enter account number" "(1 to 100, e to end input"):
scanf ("d".&client.accNum):
hile(client.accNum!-0)
ta client - (0," "," ",8.0);
printf("s", "n Enter lastName, firstName, balance");
scanf("K14sk9stf",&client.1lastName, Bclient.firstNane, Sclient.balance);
printf("Xs"."\n Enter account number:"):
scanf("d",Bc1ient.accun);
printf( "s\t*s\txf".client.lastName,client.firstName,client.balance):
return 6;
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