getline example

getline.c

#include <stdio.h>
#include <stdlib.h>

int main(void)
{
    FILE *fp = fopen("file.c", "r");

    char *line = NULL;
    size_t linelen = 0;
    ssize_t len;
    while((len = getline(&line, &linelen, fp)) > 0) {
        printf("%zu:%zd:%s", linelen, len, line);
        free(line);
        line = NULL;
    }

    free(line);

    fclose(fp);

    return 0;
}