Read a file one line at a time,
as opposed to reading the entire file at once.



Related tasks

 Read a file character by character
 Input loop.


FILE *f = fopen(name, "r");
if (!f) {
	pari_err(openfiler, "input", name);
}
while(fgets(line, MAX_LINELEN, f) != NULL) {
	// ...
}