windows下实现linux的tee功能

 

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


int main(int argc, char *argv[])
{
    FILE **outfile;
    int c, i;
    int value = 0;
    outfile = (FILE **) malloc (argc * sizeof (FILE *));
    outfile [0] = stdout;
    for (i = 1; i < argc; ++i)
    {
        if ((outfile [i] = fopen (argv[i],"wb")) == NULL) {
            fprintf (stderr, "%s: ", argv [0]);
            perror (argv[i]);
            value = 1;
        }
    }
    while ((c = getchar ()) != EOF)
    {
        for (i = 0; i < argc; ++i)
        {
            if (outfile [i] != NULL) {
                if (fputc (c, outfile [i]) == EOF) value = 1;
            }
        }
    }
    for (i = 0; i < argc; ++i)
    {
        fclose (outfile [i]);
    }
    return value;
}