write « struct « C File Q&A

1. Read and write struct in C    stackoverflow.com

I have a struct:

typedef struct student
{
        char fname[30];
        char sname[30];
        ...

2. Writing 'packed' structs to file using C    stackoverflow.com

How can I "pack" and "write" a struct to a file using C so that:

struct a {
    uint64_t a;
    char* b;
    uint16_t ...

3. Portable way of writing a C struct to a file (Serialisation for C)    stackoverflow.com

I need to persist a C struct to a file in a portable way (so that I can read the file on other machines and be guaranteed that I will get ...

4. reading,parsing a csv file , populating a struct and then write struct to a data file    stackoverflow.com

I am writing a program which reads and parses a CSV file, populates a struct with the contents of CSV file and then writes the struct to a file in binary ...

5. C - Writing structs to a file (.pcap)    stackoverflow.com

I am trying to write a .pcap file, which is something that can be used in Wireshark. In order to do that, I have a couple of structs with various data types ...

6. C Struct read/ write garbage value to file    stackoverflow.com

I am diving into C after long time and struggling with reading and writing struct to the simple text file. I debuged this prog and I found out its reading and ...

7. can anyone tell me how to read the contents of a file into the following structure in c    stackoverflow.com

Possible Duplicate:
how to read contents of a structure using fread() in c

8. Problem writing struct out to file    bytes.com

rmr531@gmail.com First of all I am very new to c++ so please bear with me. I am trying to create a program that keeps an inventory of items. I am trying to use a struct to store a product name, purchase price, sell price, and a taxable flag (a Y/N char) and then write this all out to a file (preferably ...

9. write and read struct from file    bytes.com

P: n/a Tiger I try to write a struct into a brut file but I can't write all var in this struct when I try to add user I have that : [color=blue] > testmachine:/usr/share/my_passwd# ./my_passwd -a users.db > Ajout d'une entre dans la base : > > Username : test > Password : aze > Gecos : qsd > Home ...

10. Write/Read struct to file    bytes.com

I have a struct to write to a file struct _structA{ long x; int y; float z; } struct _structA A; //file open write(fd,A,sizeof(_structA)); //file close Then I want to read it out. //file open lseek(fd,0,SEEK_SET); struct _structA B; read(fd,B,sizeof(_structA)); //file close Why I cannot get the correct value for the x,y,z? Thanx

11. Writing a struct to a file    cboard.cprogramming.com

You can write all kinds of info about the data to a file before the actual data. Like a image file header etc. In your case you could first write two integers to the file. One for the number of "struct a's" written and one for the number of "struct b's" written. Then read the specified number of each. For that ...

12. Writing struct to file    cboard.cprogramming.com

13. writing a struct to file    cboard.cprogramming.com

14. Writing a struct to a file    forums.devshed.com

HI, i have created a struct with x strings in it x - is a user choice int. now what im trying to do is writing 10 structs of this kind into a file, and opening it again and read them. a simple fwrite(&struct,sizeof(struct),1,file) wont work since the size varies.. what can i do? thanks

15. reading and writing to files using structs    forums.devshed.com

I am having great problem reading and writing files using a struct. I have managed to write and read to a file with one lot of data, but when i add 2 more loops of the data i just get rubbish displayed. Here is the code of the successful reading and writing of the data from the file. Can someone help ...