commit change in readme

README.md

@@ -1,4 +1,4 @@
-## 1. todo list :
+## todo list :
 ---
 
 - **global features :**
@@ -111,7 +111,8 @@ two more functions :
 - **tgoto** : `char *tgoto (char *cstring, int hpos, int vpos)` encoding numeric parameters such as cursor positions into the terminal-specific form required for display commands
 - **tputs** : `int tputs (char *string, int nlines, int (*outfun) ());` output a string containing an optional padding spec
 
-### other :
+**other :**
+
 - **printf** : `int printf(const char *format, ...);` produce output to stdout according to a specified format
 - **malloc** : `void *malloc(size_t size);` allocates size bytes and returns a pointer to the allocated memory. The memory is not initialized
 - **free** : `void free(void *ptr);` frees the memory space pointed to by ptr, which must have been returned by a previous call to malloc()
@@ -138,6 +139,8 @@ two more functions :
 - [exit code status](https://tldp.org/LDP/abs/html/exitcodes.html)
 - [`char **s` vs `char *s[]`](https://stackoverflow.com/questions/46830654/what-is-the-difference-between-extern-char-environ-and-extern-char-environ)
 - [extern and global](https://stackoverflow.com/questions/2652545/extern-and-global-in-c)
+- [PS1 variable contain prompt](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05_03)
+- [force readline return without pressing ctrl-c](https://stackoverflow.com/questions/53165704/readline-c-force-return-of-certain-text-in-readline)
 
 **bash scripts :**
 - [on which stream deos bash redirect its prompt](https://unix.stackexchange.com/questions/20826/which-stream-does-bash-write-its-prompt-to)
@@ -153,5 +156,3 @@ two more functions :
 - ["\[" vs "\[\[" in bash](https://stackoverflow.com/questions/13542832/difference-between-single-and-double-square-brackets-in-bash)
 - [redirections in bash](https://stackoverflow.com/questions/818255/in-the-shell-what-does-21-mean)
 - [bash variable of variable](https://stackoverflow.com/questions/10757380/bash-variable-variables)
-- [PS1 variable contain prompt](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05_03)
-- [force readline return without pressing ctrl-c](https://stackoverflow.com/questions/53165704/readline-c-force-return-of-certain-text-in-readline)