The get_next_line project is a component of the 42 school curriculum that requires creating a function capable of reading a line from a file descriptor. The function should be able to handle multiple file descriptors and read from them independently without losing the reading thread.
The get_next_line function reads one line at a time from a file descriptor. Each time the function is called, it returns the next line from the file until the end of the file is reached.
The function prototype is as follows:
char *get_next_line(int fd);The function returns NULL if the end of the file has been reached or if an error occurs.
To use the get_next_line function, simply include the header file get_next_line.h in your project and call the function as follows:
#include <stdlib.h>
#include <fcntl.h>
#include "get_next_line.h"
int main(void)
{
int fd;
char *line;
fd = open("file.txt", O_RDONLY);
line = get_next_line(fd);
while (line != NULL)
{
// Do something with the line
free(line);
line = get_next_line(fd);
}
return (0);
}The get_next_line project is an essential project for any programmer as it teaches how to read from a file descriptor and handle multiple file descriptors. By implementing this function, one will gain a deeper understanding of how file I/O works in C and how to write efficient code.