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continue to fill readme with external functions

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hugogogo
2021-11-04 15:16:36 +01:00
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README.md
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@@ -1,81 +1,82 @@
## external functions :
## 2. external functions :
---
### readline :
- readline
- rl_clear_history
- rl_on_new_line
- rl_replace_line
- rl_redisplay
- add_history
- **readline** : `char *readline (const char *prompt);` will read a line from the terminal and return it, using prompt as a prompt
- **rl_clear_history** : ` `
- **rl_on_new_line** : ` `
- **rl_replace_line** : ` `
- **rl_redisplay** : ` `
- **add_history** : ` `
### files :
- access
- open
- read
- close
- dup
- dup2
- pipe
- stat : `int stat(const char *pathname, struct stat *statbuf);` returns information about a file, in the buffer pointed to by statbuf
- lstat : `int fstat(int fd, struct stat *statbuf);` lstat() is identical to stat(), except that if pathname is a symbolic link, then it returns information about the link itself, not the file that it refers to
- fstat : `int lstat(const char *pathname, struct stat *statbuf);` fstat() is identical to stat(), except that the file about which information is to be retrieved is specified by the file descriptor fd
- unlink : `int unlink(const char *pathname);` unlink() deletes a name from the filesystem
- **access** : `int access(const char *pathname, int mode);` checks whether the calling process can access the file pathname
- **open** : `int open(const char *pathname, int flags, [mode_t mode]);` system call opens the file specified by pathname
- **read** : `ssize_t read(int fd, void *buf, size_t count);` attempts to read up to count bytes from file descriptor fd into the buffer starting at buf
- **close** : `int close(int fd);` closes a file descriptor, so that it no longer refers to any file and may be reused
- **dup** : `int dup(int oldfd);` creates a copy of the file descriptor oldfd, using the lowest-numbered unused file descriptor for the new descriptor
- **dup2** : `int dup2(int oldfd, int newfd);` performs the same task as dup(), but instead of using the lowest-numbered unused file descriptor, it uses the file descriptor number specified in newfd
- **pipe** : `int pipe(int pipefd[2]);` creates a pipe, a unidirectional data channel that can be used for interprocess communication. The array pipefd is used to return two file descriptors referring to the ends of the pipe. pipefd[0] refers to the read end of the pipe. pipefd[1] refers to the write end of the pipe
- **stat** : `int stat(const char *pathname, struct stat *statbuf);` returns information about a file, in the buffer pointed to by statbuf
- **lstat** : `int fstat(int fd, struct stat *statbuf);` lstat() is identical to stat(), except that if pathname is a symbolic link, then it returns information about the link itself, not the file that it refers to
- **fstat** : `int lstat(const char *pathname, struct stat *statbuf);` fstat() is identical to stat(), except that the file about which information is to be retrieved is specified by the file descriptor fd
- **unlink** : `int unlink(const char *pathname);` unlink() deletes a name from the filesystem
### process :
- fork
- wait
- waitpid
- wait3
- wait4
- exit
- **fork** : ` `
- **wait** : ` `
- **waitpid** : ` `
- **wait3** : ` `
- **wait4** : ` `
- **exit** : ` `
### signals :
- signal
- sigaction
- kill
- **signal** : ` `
- **sigaction** : ` `
- **kill** : ` `
### directories :
- getcwd : `char *getcwd(char *buf, size_t size);` returns a null-terminated string containing an absolute pathname that is the current working directory of the calling process
- chdir : `int chdir(const char *path);` changes the current working directory of the calling process to the directory specified in path
- execve : `int execve(const char *filename, char *const argv[], char *const envp[]);` executes the program pointed to by filename
- opendir : `DIR *opendir(const char *name);` opens a directory stream corresponding to the directory name, and returns a pointer to the directory stream
- readdir : `struct dirent *readdir(DIR *dirp);` returns a pointer to a dirent structure representing the next directory entry in the directory stream pointed to by dirp
- closedir : `int closedir(DIR *dirp);` closes the directory stream associated with dirp
- **getcwd** : `char *getcwd(char *buf, size_t size);` returns a null-terminated string containing an absolute pathname that is the current working directory of the calling process
- **chdir** : `int chdir(const char *path);` changes the current working directory of the calling process to the directory specified in path
- **execve** : `int execve(const char *filename, char *const argv[], char *const envp[]);` executes the program pointed to by filename
- **opendir** : `DIR *opendir(const char *name);` opens a directory stream corresponding to the directory name, and returns a pointer to the directory stream
- **readdir** : `struct dirent *readdir(DIR *dirp);` returns a pointer to a dirent structure representing the next directory entry in the directory stream pointed to by dirp
- **closedir** : `int closedir(DIR *dirp);` closes the directory stream associated with dirp
### errors :
- strerror : `char *strerror(int errnum);` returns a pointer to a string that describes the error code passed in the argument errnum
- perror : `void perror(const char *s);` produces a message on standard error describing the last error encountered during a call to a system or library function
- **strerror** : `char *strerror(int errnum);` returns a pointer to a string that describes the error code passed in the argument errnum
- **perror** : `void perror(const char *s);` produces a message on standard error describing the last error encountered during a call to a system or library function
### other :
- printf
- malloc
- free
- write
- **printf** : ` `
- **malloc** : ` `
- **free** : ` `
- **write** : ` `
- isatty
- ttyname
- ttyslot
- ioctl
- getenv
- tcsetattr
- tcgetattr
- tgetent
- tgetflag
- tgetnum
- tgetstr
- tgoto
- tputs
- **isatty** : ` `
- **ttyname** : ` `
- **ttyslot** : ` `
- **ioctl** : ` `
- **getenv** : ` `
- **tcsetattr** : ` `
- **tcgetattr** : ` `
- **tgetent** : ` `
- **tgetflag** : ` `
- **tgetnum** : ` `
- **tgetstr** : ` `
- **tgoto** : ` `
- **tputs** : ` `
## sommaire :
---
- [1. todo list :](#markdown-header-1-todo-list)
- [2. parsing :](#markdown-header-2-parsing)
- [2.1. methode arbre binaire :](#markdown-header-21-methode-arbre-binaire)
- [3. gerer les quotes et la separation des arguments :](#markdown-header-3-gerer-les-quotes-et-la-separation-des-arguments)
- [3.1. tentative methode 1 :](#markdown-header-31-tentative-methode-1)
- [3.1.1. pseudo code :](#markdown-header-311-pseudo-code)
- [3.1.2. application :](#markdown-header-312-application)
- [3.1.3. erreur :](#markdown-header-313-erreur)
- [3.2. tentative methode 2 :](#markdown-header-32-tentative-methode-2)
- [3.2.1. deroulement :](#markdown-header-321-deroulement)
- [3.2.2. application :](#markdown-header-322-application)
- [3.3. comportement reel chelou :](#markdown-header-33-comportement-reel-chelou)
- [4. notes :](#markdown-header-4-notes)
- [2. external functions :](#markdown-header-2-external-functions)
- [3. parsing :](#markdown-header-3-parsing)
- [3.1. methode arbre binaire :](#markdown-header-31-methode-arbre-binaire)
- [4. gerer les quotes et la separation des arguments :](#markdown-header-4-gerer-les-quotes-et-la-separation-des-arguments)
- [4.1. tentative methode 1 :](#markdown-header-41-tentative-methode-1)
- [4.1.1. pseudo code :](#markdown-header-411-pseudo-code)
- [4.1.2. application :](#markdown-header-412-application)
- [4.1.3. erreur :](#markdown-header-413-erreur)
- [4.2. tentative methode 2 :](#markdown-header-42-tentative-methode-2)
- [4.2.1. deroulement :](#markdown-header-421-deroulement)
- [4.2.2. application :](#markdown-header-422-application)
- [4.3. comportement reel chelou :](#markdown-header-43-comportement-reel-chelou)
- [5. notes :](#markdown-header-5-notes)
## 1. todo list :
---
@@ -119,10 +120,10 @@
*[\go to sommaire](#markdown-header-sommaire)*
## 2. parsing :
## 3. parsing :
---
### 2.1 methode arbre binaire :
### 3.1 methode arbre binaire :
[transformer arbre normal en arbre binaire](https://fr.wikipedia.org/wiki/Arbre_binaire#Transformation_d'un_arbre_quelconque_en_un_arbre_binaire)
@@ -156,12 +157,12 @@ EXEMPLE : . .
*[\go to sommaire](#markdown-header-sommaire)*
## 3. gerer les quotes et la separation des arguments :
## 4. gerer les quotes et la separation des arguments :
---
### 3.1 tentative methode 1 :
### 4.1 tentative methode 1 :
#### 3.1.1 pseudo code :
#### 4.1.1 pseudo code :
```text
q = 0 // first quote
c = 0 // count
@@ -210,7 +211,7 @@ while (str[i])
*[\go to sommaire](#markdown-header-sommaire)*
#### 3.1.2 application :
#### 4.1.2 application :
```text
['][a][r][g][1][ ]['][a][r][g][2]["][ ][a][r][g][3]["]
c = 0 . . . . . . . . . . . . . . . . . .
@@ -253,7 +254,7 @@ c = . . . . . . . . . 0 str[i] != ' | " ; ->
*[\go to sommaire](#markdown-header-sommaire)*
#### 3.1.3 erreur :
#### 4.1.3 erreur :
-> comment le programme sait que cette fois il doit decrementer "c" ?
en retenant dans l'ordre toutes les dernieres valeurs de "q" !
@@ -261,9 +262,9 @@ c = . . . . . . . . . 0 str[i] != ' | " ; ->
*[\go to sommaire](#markdown-header-sommaire)*
### 3.2 tentative methode 2 :
### 4.2 tentative methode 2 :
#### 3.2.1 deroulement :
#### 4.2.1 deroulement :
```text
.--------------------------------------------.
: .--------------------------------------. :
@@ -291,7 +292,7 @@ c = . . . . . . . . . 0 str[i] != ' | " ; ->
*[\go to sommaire](#markdown-header-sommaire)*
#### 3.2.2 application :
#### 4.2.2 application :
```text
.--.
1 : '__"__'__"__"__"__'__'__"__"__'__'__"__'__"__'
@@ -321,7 +322,7 @@ c = . . . . . . . . . 0 str[i] != ' | " ; ->
*[\go to sommaire](#markdown-header-sommaire)*
### 3.3 comportement reel chelou :
### 4.3 comportement reel chelou :
```text
echo "_"
_
@@ -366,7 +367,7 @@ _'___"___'___"_"___'___"___'_
*[\go to sommaire](#markdown-header-sommaire)*
## 4. notes :
## 5. notes :
---
Ordre Interpreteur :