The ft_printf function mimic the printf function in C , a fundamental output function used to display formatted data on the standard output stream (usually the console) ft_printf allows developers to display various types of data, such as integers, floating-point numbers, characters, and strings, address, in a specific format.
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The syntax of the printf function is:
int ft_printf(const char *format, ...); -
format: A string that contains the text to be displayed along with format
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...: Represents additional arguments that match the format specifiers in the format string.
- Format specifiers are placeholders in the format string that indicate the type and format of the corresponding arguments. Some common format specifiers include:
%d: Print an integer in decimal format.
%f: Print a floating-point number.
%c: Print a single character.
%s: Print a null-terminated string.
%x, %X: Print an integer in hexadecimal format (lowercase or uppercase).
%p: Print an address.
- Input
#include "ft_printf.h"
int main(){
int num = 3;
char ch = 'A';
char str[] = "call me Jesus!";
ft_printf("Character: %c\n", ch);
ft_printf("String: %s\n", str);
ft_printf("Decimal: %d\n", num);
ft_printf("Hexadecimal: %x\n", num);
}
- Output
Character: A
String: call me Jesus!
Decimal: 3
Hexadecial:2a
##Return Value On success, ft_printf returns the number of characters printed (excluding the null byte used to end the string). On failure, it returns a negative value.