標準I/O：分別用fgetc與fputc,fgets與fputs,fread與fwrite實現文件的複製

這裏向大家分享幾種文件IO複製文件的方法，若有不對，讓您見笑了，若對您有點幫助，那就太好了。
1.用fgetc與fputc實現文件複製。

#include<stdio.h>
int main(int argc, char *argv[])
{
    FILE *fp1;
    FILE *fp2;
    int ch;

    if (argc < 3)
    {
        printf("Usage:%s <one_file> <others_file>",argv[0]);
        return -1;
    }
    if ((fp1 = fopen(argv[1],"r")) == NULL)
    {
        perror("fopen\n");
        return -1;
    }
    if ((fp2 = fopen(argv[2],"w+")) == NULL)
    {
        perror("fopen1\n");
        return -1;
    }
    while ((ch = fgetc(fp1)) != EOF)
    {
        fputc(ch,fp2);
    }

    return 0;

}

2.用fgets與fputs實現文件複製。

#include<stdio.h>
#define N 64
int main(int argc, char *argv[])
{
    FILE *fp1;
    FILE *fp2;
    char buf[N];

    if (argc < 3)
    {
        printf("Usage:%s <one_file> <others_file>",argv[0]);
        return -1;
    }
    if ((fp1 = fopen(argv[1],"r")) == NULL)
    {
        perror("fopen\n");
        return -1;
    }
    if ((fp2 = fopen(argv[2],"w+")) == NULL)
    {
        perror("fopen1\n");
        return -1;
    }
    while (fgets(buf,N,fp1) != NULL)
    {
        fputs(buf,fp2);
    }

    fclose(fp1);
    fclose(fp2);
    return 0;

}

3.用fread與fwrite實現文件複製。

#include<stdio.h>
#define N 64
int main(int argc, char *argv[])
{
    FILE *fp1;
    FILE *fp2;
    char buf[N];
    int n;

    if (argc < 3)
    {
        printf("Usage:%s <one_file> <others_file>",argv[0]);
        return -1;
    }
    if ((fp1 = fopen(argv[1],"r")) == NULL)
    {
        perror("fopen\n");
        return -1;
    }
    if ((fp2 = fopen(argv[2],"w+")) == NULL)
    {
        perror("fopen1\n");
        return -1;
    }
    while ((n = fread(buf,sizeof(char),N,fp1)) > 0)
    {
        fwrite(buf,sizeof(char),n,fp2);
    }

    fclose(fp1);
    fclose(fp2);
    return 0;

}