Fgets (read a string from the file)Related functions: open, fread, fscanf, GETCHeader file include Define the function char * fgets (char * s, int size, file * stream );Function Description: fgets () is used to read characters from the file referred
Fread and fwrite Functions
Fread and fwrite Functions
1. Function Functions
Used to read and write a data block.
2. General call form
Fread (buffer, size, Count, FP );
Fwrite (buffer, size, Count, FP );
3. Description
(1) buffer: A pointer. For
Differences between fopen and open
In UNIX, C has two sets of reading and writing binary stream files: 1) fopen, fread, fwrite; 2) Open, read, writeHere is a brief introduction of their differences.1. The fopen series are standard C library
Transferred from: http://blog.csdn.net/xiaofei0859/article/details/51145051Both are working on the file, so what's the difference between the two, and how do you choose when you use it?1. Differences
The fread is buffered and read without
Fread and fwrite Functions
1. Function Functions
Used to read and write a data block.
2. General call form
Fread (buffer, size, Count, FP );
Fwrite (buffer, size, Count, FP );
3. Description
(1) buffer: A pointer. For fread, It is the
The 1,fread is buffered with read without buffering.
2,fopen is defined in standard C, and open is defined in POSIX.
3,fread can read a structure. Read the binary in Linux/unix is no different from normal files.
4,fopen cannot specify permissions to
C Library Function-FRead ()DescribeThe C library function size_t fread (void *ptr, size_t size, size_t nmemb, FILE *stream) reads data from the given stream stream to the ptr reference to the array.StatementThe following is a declaration of the
Fscanf, fprintf, fgets, fputs, fread, and fwrite functions, fscanffputs1. fscanf function and fprintf function 1.1 fscanf Function
The fscanf function can only be input in the format of a text file. The fscanf function is similar to the scanf
1. function function
used to read and write a block of data.
2. General calling Form
fread (BUFFER,SIZE,COUNT,FP);
fwrite (BUFFER,SIZE,COUNT,FP);
3. Notes
(1) Buffer: is a pointer, for fread, it is read into the data storage address. For Fwrite,
Summary of Functions Fgets and fputs, Fread and Fwrite, fscanf, and fprintf usagestring read and Write functions fgets and fputsThe function of reading a string function Fgets function is to read a string into a character array from the specified
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.