Archief - C jump lines in file

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

#define MAX_LINE 1024
#define COMMENTS_LINES 5

void dumplines(char lines[][MAX_LINE])
{
        int i = 0;
        for (i = 0; i < 25; i++) {
                fprintf(stdout, "%s\n", lines[i]);
        }
}

int main(int argc, char *argv[])
{
        char dump[25][MAX_LINE];
        char line[MAX_LINE];
        FILE *fp = NULL;
        int lines = 0;
        int i = 0;

        memset(dump, 0, (size_t)(25 * MAX_LINE));
        memset(line, 0, MAX_LINE);

        fp = fopen("test.txt", "r");
        if (fp == NULL) {
                fprintf(stderr, "Opening file failed!\n");
                return EXIT_FAILURE;
        }

        while (fgets(line, MAX_LINE, fp) != NULL) {
                if (lines > COMMENTS_LINES) {
                        strncpy(dump[i], line, strlen(line));
                        i++;

                        if (i == 25) {
                                i = 0;
                                dumplines(dump);
                        }
                }

                lines++;
        }

        return EXIT_SUCCESS;
}