Annotation of coherent/d/usr/src/examples/fileno.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: 
        !             3: main(argc,argv)
        !             4: int argc; 
        !             5: char *argv[];
        !             6: {
        !             7:        FILE *fp;
        !             8:        int fd;
        !             9: 
        !            10:        if (argc !=2) {
        !            11:                fprintf(stderr, "Usage: fileno filename\n");
        !            12:                exit(1);
        !            13:        }
        !            14: 
        !            15:        if ((fp = fopen(argv[1], "rw")) == NULL) {
        !            16:                fprintf(stderr, "Cannot open input file %s\n",
        !            17:                 argv[1]);
        !            18:                exit(1);
        !            19:        }
        !            20: 
        !            21:        fd = fileno(fp);
        !            22:        printf("The file descriptor for %s is %d\n",
        !            23:                argv[1], fd);
        !            24:        exit(0);
        !            25: }
        !            26: 

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