c语言二进制代码,C语言实现二进制文件读写(示例代码)

#include

#include

#define MAXLEN 1024

int main(int argc, char *argv[])

{

if( argc < 3 )

{

printf("usage: %s %s/n", argv[0], "infile outfile");

exit(1);

}

FILE * outfile, *infile;

outfile = fopen(argv[2], "wb" );

infile = fopen(argv[1], "rb");

unsigned char buf[MAXLEN];

if( outfile == NULL || infile == NULL )

{

printf("%s, %s",argv[1],"not exit/n");

exit(1);

}

int rc;

while( (rc = fread(buf,sizeof(unsigned char), MAXLEN,infile)) != 0 )

{

fwrite( buf, sizeof( unsigned char ), rc, outfile );

}

fclose(infile);

fclose(outfile);

system("PAUSE");

return 0;

}