C-based file operations
In ANSI C, the operation of the file is divided into two ways, that is, streaming file operations and I/O file operations, respectively, described below.
One, streaming file operation
The file operations in this way have an
1
C file operations
FileBasic concepts of FilesThe so-called "file" refers to an ordered set of related data. This dataset has a name called a file name. In fact, we have used files many times in the
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
In fact, to understand the difference between a C file and a header file (i.e.. h), it is necessary to understand the compiler's work process, in general the compiler will do the following procedures:1. Preprocessing phase2. Lexical and grammatical
C ++ File Operations
Address: http://www.layz.net/blog/user1/xuanxuan/archives/2006/67.htmlIn C ++, there is a stream class. All I/O is based on this "stream" class, including the file I/O we want to know, stream has two important operators:
1.
In the programming process, file operations are a common problem. In C ++ builder, you can use multiple methods to operate files, I will introduce this in detail in the following parts:
1. C-based file operations;
2. File Operations Based on C ++;
Parsing of. h and. c files in C language (wonderful)In fact, to understand the difference between a C file and a header file (i.e.. h), it is necessary to understand the compiler's work process, in general the compiler will do the following
In fact, to understand the difference between a C file and a header file (i.e.. h), it is necessary to understand the compiler's work process, in general the compiler will do the following procedures:1. Preprocessing phase2. Lexical and grammatical
fopen (Open file)Correlation function Open,fclose
Table header file #include
Defines the function FILE * fopen (const char * path,const char * mode);
The function description parameter path string contains the file path and filename to open, and
fopen (Open file)Correlation function Open,fcloseTable header file #include Defines the function FILE * fopen (const char * path,const char * mode);Function description The path string contains the file path and filename to open, and the parameter
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