jacopo3101 / ft_printf

printf clone in c

ft_printf

Score

Introduction

This project involves the reimplementation of the printf() function in C, offering a practical exploration of variadic functions.

Prototype

int ft_printf(const char *, ...);

Allowed function

Function	Description
malloc	Allocate memory
free	Free allocated memory
write	Write to a file descriptor
va_start	Initialize a va_list
va_arg	Access variable arguments in va_list
va_copy	Copy a va_list
va_end	End using variable arguments in va_list

Mandatory part

Here is the list of implemented conversions:

• %c Prints a single character.
• %s Prints a string (as defined by the common C convention).
• %p The void * pointer argument has to be printed in hexadecimal format.
• %d Prints a decimal (base 10) number.
• %i Prints an integer in base 10.
• %u Prints an unsigned decimal (base 10) number.
• %x Prints a number in hexadecimal (base 16) lowercase format.
• %X Prints a number in hexadecimal (base 16) uppercase format.
• %% Prints a percent sign.

Bonus part

Flag	Description
#	Alternate form for certain conversions
+	Always include a sign (+ or -) for numerical output
' '	If no sign is going to be written, a blank space is inserted before the value.