pn.c

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

void ReadFile(char* fname)
{
        FILE *fp;
        char buf[1024];

        if ((fp = fopen(fname, "r")) == NULL)
        {
                fprintf(stderr, "File not found:%s\n", fname);
                return;
        }
        printf ("\n\nFile:%s\n\n", fname);
        int cnt = 1;
        while (fgets(buf, 256, fp) != NULL)
        {
                printf("%3d: >> %s", cnt, buf);
                cnt++;
        }
        fclose(fp);
}

int main(int argc, char* argv[])
{
        if (argc < 2)
        {
                fprintf(stderr, "No argument!");
                exit(-1);
        }
        else
        {
                int i = 1;
                for (i = 1; i < argc; i++)
                {
                        ReadFile(argv[i]);
                }
        }
}