printf()

---

The printf function project is alx school project where _printf imitates the actual "printf" command located in the stdio.h library. It contains some of the basic features and functions fond in the manual of printf.

_printf() is a function that performs formatted output conversion and print data. Its prototype is the following:

int _printf(const char *format, ...)

Where format contains the string that is printed. As _printf() is variadic function, it can receives 'n' arguments that replace by 'n' tags written inside the string.

The format tags prototype is the following:

%[flags][length]specifier If the program runs successfully, the return value is the amount of chars printed.

character specifier

Specifier	Character
S	String of characters
c	signle character
d or i	signed decimal integer
o	signed octal (base 8)
u	unsigned decimal integer
x	unsigned hexadecimal integer
X	Unsigned hexadecimal integer (Capital letters
p	Pointer address
%	% character

Flags and Descriptition

Flags	descriptition
-	Left-justify within the given field width; Right justification is the default
+	Forces to precede the result with a plus or minus sign (+ or -) even for positive numbers. By default, only negative numbers are preceded with a -ve sign.
(space)	If no sign is going to be written, a blank space is inserted before the value.
#	Used with o, x or X specifiers the value is preceded with 0, 0x or 0X respectively for values different than zero. Used with e, E and f, it forces the written output to contain a decimal point even if no digits would follow. By default, if no digits follow, no decimal point is written. Used with g or G the result is the same as with e or E but trailing zeros are not removed.

---

File Functions

---

_printf.c

our own function That performs formatted output conversion and print data.

---

main.h

Header File were All prototypes and standard library headers are Saved.

---

get_print_function.c

A utility function to identify the function used to print the data for different output specifier.

---

print_str.c

A function used to Write string to standard output(Stdout).

---

print_buf.c

A function used to Write a buffer to standard output(Stdout).

---

print_bin.c

A function used to Write a binary representation of unsigned integer to standard output(Stdout).

---

custom_str.c

prints the reversed string

---

man_3_printf

manual for _printf funcion

---

pnt_o_octal.c

function that prints decimal in octal with leading character 'o'.

---

pnt_plus_int.c

function print positive desimal with plus(+) flag.

---

pnt_space_int.c

function print decimal with leading space if no sign flag is specified.

---

pnt_upp_hex.c

function prints decimal in uppercase hexadecimal.

---

print_address.c

prints pointer address in hexadecimal.

---

print_chex.c

helper function for hexadecimal printer

---

print_int.c

prints integer in decimal

---

print_octal.c

prints decimal in octal value(base 8).

---

print_shex.c

prints hexadecimal in lowercase.

---

print_unint.c

prints unsigned ineteger in decimal